Task 55744635
log in
NameTF_76-77_163-178M_wu_46821_0
Workunit50220307
Created24 May 2026, 17:50:21 UTC
Sent6 Jun 2026, 13:44:23 UTC
Report deadline12 Jun 2026, 13:44:23 UTC
Received8 Jun 2026, 18:53:30 UTC
Server stateOver
OutcomeSuccess
Client stateDone
Exit status0 (0x0)
Computer ID247112
Run time1 hours 3 min 5 sec
CPU time8 sec
Validate stateValid
Credit45,000.00
Device peak FLOPS415.35 GFLOPS
Application versionTF v0.49 (cuda128)
Peak working set size239.60 MB
Peak swap size251.61 MB
Peak disk usage5.07 MB

Stderr output

<core_client_version>8.2.11</core_client_version>
<![CDATA[
<stderr_txt>
44.0% | 84.847  12h40m |     90.96    82485    n.a.%
Jun 07 07:02 | 2031  44.1% | 83.434  12h26m |     92.50    82485    n.a.%
Jun 07 07:04 | 2040  44.2% | 79.875  11h53m |     96.63    82485    n.a.%
Jun 07 07:05 | 2043  44.3% | 78.905  11h43m |     97.81    82485    n.a.%
Jun 07 07:06 | 2044  44.4% | 80.122  11h53m |     96.33    82485    n.a.%
Jun 07 07:08 | 2055  44.5% | 80.161  11h52m |     96.28    82485    n.a.%
Jun 07 07:09 | 2059  44.6% | 80.323  11h52m |     96.09    82485    n.a.%
Jun 07 07:10 | 2064  44.7% | 80.454  11h52m |     95.93    82485    n.a.%
Jun 07 07:12 | 2068  44.8% | 82.037  12h04m |     94.08    82485    n.a.%
Jun 07 07:13 | 2071  44.9% | 84.394  12h24m |     91.45    82485    n.a.%
Jun 07 07:15 | 2076  45.0% | 84.485  12h23m |     91.35    82485    n.a.%
Jun 07 07:16 | 2079  45.1% | 84.309  12h20m |     91.54    82485    n.a.%
Jun 07 07:17 | 2080  45.2% | 85.347  12h28m |     90.43    82485    n.a.%
Jun 07 07:19 | 2083  45.3% | 85.152  12h25m |     90.64    82485    n.a.%
Jun 07 07:20 | 2088  45.4% | 87.968  12h48m |     87.74    82485    n.a.%
Jun 07 07:22 | 2095  45.5% | 86.689  12h35m |     89.03    82485    n.a.%
Jun 07 07:23 | 2103  45.6% | 86.007  12h28m |     89.74    82485    n.a.%
Jun 07 07:25 | 2104  45.7% | 85.509  12h22m |     90.26    82485    n.a.%
Jun 07 07:26 | 2115  45.8% | 88.447  12h46m |     87.26    82485    n.a.%
Jun 07 07:28 | 2116  45.9% | 90.645  13h04m |     85.14    82485    n.a.%
Jun 07 07:29 | 2124  46.0% | 84.298  12h07m |     91.56    82485    n.a.%
Jun 07 07:30 | 2128  46.1% | 82.976  11h54m |     93.01    82485    n.a.%
Jun 07 07:32 | 2131  46.2% | 83.096  11h54m |     92.88    82485    n.a.%
Jun 07 07:33 | 2136  46.4% | 80.971  11h35m |     95.32    82485    n.a.%
Jun 07 07:34 | 2139  46.5% | 81.492  11h38m |     94.71    82485    n.a.%
Jun 07 07:36 | 2143  46.6% | 84.470  12h02m |     91.37    82485    n.a.%
Jun 07 07:37 | 2148  46.7% | 85.675  12h11m |     90.08    82485    n.a.%
Jun 07 07:39 | 2151  46.8% | 84.021  11h55m |     91.86    82485    n.a.%
Jun 07 07:40 | 2160  46.9% | 83.962  11h53m |     91.92    82485    n.a.%
Jun 07 07:42 | 2163  47.0% | 85.867  12h08m |     89.88    82485    n.a.%
Jun 07 07:43 | 2164  47.1% | 86.880  12h15m |     88.83    82485    n.a.%
Jun 07 07:44 | 2176  47.2% | 86.073  12h07m |     89.67    82485    n.a.%
Jun 07 07:46 | 2179  47.3% | 86.915  12h12m |     88.80    82485    n.a.%
Jun 07 07:47 | 2184  47.4% | 84.739  11h53m |     91.08    82485    n.a.%
Jun 07 07:49 | 2191  47.5% | 86.953  12h10m |     88.76    82485    n.a.%
Jun 07 07:50 | 2200  47.6% | 84.670  11h49m |     91.15    82485    n.a.%
Jun 07 07:52 | 2208  47.7% | 85.220  11h53m |     90.56    82485    n.a.%
Jun 07 07:53 | 2211  47.8% | 84.370  11h44m |     91.48    82485    n.a.%
Jun 07 07:54 | 2215  47.9% | 83.969  11h39m |     91.91    82485    n.a.%
Jun 07 07:56 | 2220  48.0% | 72.218  10h00m |    106.87    82485    n.a.%
Jun 07 07:56 | 2223  48.1% | 32.991   4h33m |    233.94    82485    n.a.%
Jun 07 07:57 | 2235  48.2% | 41.621   5h44m |    185.43    82485    n.a.%
Jun 07 07:58 | 2236  48.3% | 43.685   6h01m |    176.67    82485    n.a.%
Jun 07 07:58 | 2239  48.4% | 46.572   6h24m |    165.72    82485    n.a.%
Jun 07 07:59 | 2244  48.5% | 50.484   6h55m |    152.88    82485    n.a.%
Jun 07 08:01 | 2248  48.6% | 129.15  17h41m |     59.76    82485    n.a.%
Jun 07 08:03 | 2251  48.8% | 124.68  17h02m |     61.90    82485    n.a.%
Jun 07 08:05 | 2256  48.9% | 108.23  14h45m |     71.31    82485    n.a.%
Jun 07 08:07 | 2260  49.0% | 98.055  13h20m |     78.71    82485    n.a.%
Jun 07 08:08 | 2263  49.1% | 98.192  13h20m |     78.60    82485    n.a.%
Jun 07 08:10 | 2268  49.2% | 93.190  12h37m |     82.82    82485    n.a.%
Jun 07 08:12 | 2271  49.3% | 101.01  13h39m |     76.41    82485    n.a.%
Jun 07 08:13 | 2275  49.4% | 97.377  13h08m |     79.26    82485    n.a.%
Jun 07 08:15 | 2283  49.5% | 103.80  13h59m |     74.35    82485    n.a.%
2026-06-07 08:30:36 (19268): wrapper (7.24.26018): starting
2026-06-07 08:30:36 (19268): wrapper: running mfaktc-win-64.exe (-d 0)
2026-06-07 08:30:36 (19268): wrapper: created child process 576
mfaktc v0.24.0 (64-bit build)

Compile-time options
  THREADS_PER_BLOCK         256
  SIEVE_SIZE_LIMIT          32 kiB
  SIEVE_SIZE                193154 bits
  SIEVE_SPLIT               250
  MORE_CLASSES              enabled

Runtime options
  SievePrimes               25000
  SievePrimesAdjust         1
  SievePrimesMin            5000
  SievePrimesMax            100000
  NumStreams                3
  CPUStreams                3
  GridSize                  3
  GPU sieving               enabled
  GPUSievePrimes            82486
  GPUSieveSize              512 Mib
  GPUSieveProcessSize       16 Kib
  Checkpoints               enabled
  CheckpointDelay           60 s
  WorkFileAddDelay          600 s
  Stages                    disabled
  StopAfterFactor           bit level
  PrintMode                 compact
  Logging                   disabled
  V5UserID                  (none)
  ComputerID                (none)
  AllowSleep                yes
Warning: Cannot read LegacyResultsTxt from mfaktc.ini, set to 0 by default
  LegacyResultsTxt          no
  TimeStampInResults        no
Warning: Cannot read TimestampOnSameLine from mfaktc.ini, set to 0 by default
  TimestampOnSameLine       no
Warning: Cannot read ResultsFileTimestampInterval from mfaktc.ini, set to 1 by default

CUDA version info
  binary compiled for CUDA  12.8
  CUDA runtime version      12.8
  CUDA driver version       13.0

CUDA device info
  name                      NVIDIA GeForce MX350
  compute capability        6.1
  max threads per block     1024
  max shared memory per MP  98304 bytes
  number of multiprocessors 5
  clock rate (CUDA cores)   1468 MHz
  memory clock rate:        3504 MHz
  memory bus width:         64 bits

Automatic parameters
  threads per grid          655360
  GPUSievePrimes (adjusted) 82486
  GPUsieve minimum exponent 1055144

running a simple self-test...
Self-test statistics
  number of tests           104
  successful tests          104

self-test PASSED!

got assignment: exp=178464281 bit_min=76 bit_max=77 (85.75 GHz-days)
Starting trial factoring M178464281 from 2^76 to 2^77 (85.75 GHz-days)
 k_min =  211689037439880
 k_max =  423378074887233
Using GPU kernel "barrett87_mul32_gs"

found a valid checkpoint file!
  last finished class was: 2283
  no factors found so far.
  previous work took 49859731 ms

Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Jun 07 08:31 | 2284  49.6% | 39.494   5h18m |    195.42    82485    n.a.%
Jun 07 08:32 | 2295  49.7% | 46.891   6h17m |    164.59    82485    n.a.%
Jun 07 08:32 | 2296  49.8% | 41.310   5h31m |    186.83    82485    n.a.%
Jun 07 08:33 | 2299  49.9% | 51.239   6h50m |    150.63    82485    n.a.%
Jun 07 08:36 | 2304  50.0% | 158.54  21h08m |     48.68    82485    n.a.%
Jun 07 08:38 | 2311  50.1% | 118.43  15h45m |     65.17    82485    n.a.%
Jun 07 08:39 | 2316  50.2% | 99.679  13h14m |     77.43    82485    n.a.%
Jun 07 08:41 | 2319  50.3% | 96.586  12h47m |     79.91    82485    n.a.%
Jun 07 08:42 | 2323  50.4% | 88.157  11h39m |     87.55    82485    n.a.%
Jun 07 08:44 | 2328  50.5% | 86.222  11h22m |     89.51    82485    n.a.%
Jun 07 08:45 | 2335  50.6% | 75.370   9h55m |    102.40    82485    n.a.%
Jun 07 08:46 | 2340  50.7% | 36.487   4h47m |    211.53    82485    n.a.%
Jun 07 08:46 | 2344  50.8% | 37.156   4h52m |    207.72    82485    n.a.%
Jun 07 08:47 | 2355  50.9% | 54.625   7h08m |    141.29    82485    n.a.%
Jun 07 08:48 | 2356  51.0% | 39.400   5h08m |    195.89    82485    n.a.%
Jun 07 08:49 | 2359  51.1% | 42.966   5h35m |    179.63    82485    n.a.%
Jun 07 08:49 | 2368  51.2% | 43.793   5h41m |    176.24    82485    n.a.%
Jun 07 08:50 | 2376  51.4% | 55.521   7h12m |    139.01    82485    n.a.%
Jun 07 08:53 | 2379  51.5% | 158.94  20h34m |     48.56    82485    n.a.%
Jun 07 08:55 | 2380  51.6% | 136.50  17h37m |     56.54    82485    n.a.%
Jun 07 08:57 | 2383  51.7% | 107.99  13h55m |     71.47    82485    n.a.%
Jun 07 08:59 | 2388  51.8% | 112.32  14h26m |     68.72    82485    n.a.%
Jun 07 09:01 | 2391  51.9% | 104.59  13h25m |     73.79    82485    n.a.%
Jun 07 09:02 | 2395  52.0% | 99.509  12h44m |     77.56    82485    n.a.%
Jun 07 09:04 | 2400  52.1% | 92.840  11h51m |     83.13    82485    n.a.%
Jun 07 09:05 | 2403  52.2% | 90.942  11h35m |     84.87    82485    n.a.%
Jun 07 09:07 | 2404  52.3% | 92.096  11h43m |     83.80    82485    n.a.%
Jun 07 09:09 | 2415  52.4% | 109.46  13h53m |     70.51    82485    n.a.%
Jun 07 09:09 | 2416  52.5% | 32.691   4h08m |    236.09    82485    n.a.%
Jun 07 09:10 | 2424  52.6% | 56.041   7h04m |    137.72    82485    n.a.%
Jun 07 09:11 | 2428  52.7% | 36.464   4h35m |    211.66    82485    n.a.%
Jun 07 09:11 | 2431  52.8% | 39.193   4h55m |    196.92    82485    n.a.%
Jun 07 09:12 | 2436  52.9% | 46.561   5h50m |    165.76    82485    n.a.%
Jun 07 09:13 | 2439  53.0% | 52.444   6h34m |    147.17    82485    n.a.%
Jun 07 09:14 | 2440  53.1% | 75.935   9h29m |    101.64    82485    n.a.%
Jun 07 09:17 | 2443  53.2% | 143.24  17h51m |     53.88    82485    n.a.%
Jun 07 09:19 | 2451  53.3% | 107.84  13h25m |     71.57    82485    n.a.%
Jun 07 09:20 | 2460  53.4% | 102.38  12h42m |     75.38    82485    n.a.%
Jun 07 09:22 | 2464  53.5% | 96.859  11h59m |     79.68    82485    n.a.%
2026-06-07 09:42:00 (16448): wrapper (7.24.26018): starting
2026-06-07 09:42:00 (16448): wrapper: running mfaktc-win-64.exe (-d 0)
2026-06-07 09:42:00 (16448): wrapper: created child process 18628
mfaktc v0.24.0 (64-bit build)

Compile-time options
  THREADS_PER_BLOCK         256
  SIEVE_SIZE_LIMIT          32 kiB
  SIEVE_SIZE                193154 bits
  SIEVE_SPLIT               250
  MORE_CLASSES              enabled

Runtime options
  SievePrimes               25000
  SievePrimesAdjust         1
  SievePrimesMin            5000
  SievePrimesMax            100000
  NumStreams                3
  CPUStreams                3
  GridSize                  3
  GPU sieving               enabled
  GPUSievePrimes            82486
  GPUSieveSize              512 Mib
  GPUSieveProcessSize       16 Kib
  Checkpoints               enabled
  CheckpointDelay           60 s
  WorkFileAddDelay          600 s
  Stages                    disabled
  StopAfterFactor           bit level
  PrintMode                 compact
  Logging                   disabled
  V5UserID                  (none)
  ComputerID                (none)
  AllowSleep                yes
Warning: Cannot read LegacyResultsTxt from mfaktc.ini, set to 0 by default
  LegacyResultsTxt          no
  TimeStampInResults        no
Warning: Cannot read TimestampOnSameLine from mfaktc.ini, set to 0 by default
  TimestampOnSameLine       no
Warning: Cannot read ResultsFileTimestampInterval from mfaktc.ini, set to 1 by default

CUDA version info
  binary compiled for CUDA  12.8
  CUDA runtime version      12.8
  CUDA driver version       13.0

CUDA device info
  name                      NVIDIA GeForce MX350
  compute capability        6.1
  max threads per block     1024
  max shared memory per MP  98304 bytes
  number of multiprocessors 5
  clock rate (CUDA cores)   1468 MHz
  memory clock rate:        3504 MHz
  memory bus width:         64 bits

Automatic parameters
  threads per grid          655360
  GPUSievePrimes (adjusted) 82486
  GPUsieve minimum exponent 1055144

running a simple self-test...
Self-test statistics
  number of tests           104
  successful tests          104

self-test PASSED!

got assignment: exp=178464281 bit_min=76 bit_max=77 (85.75 GHz-days)
Starting trial factoring M178464281 from 2^76 to 2^77 (85.75 GHz-days)
 k_min =  211689037439880
 k_max =  423378074887233
Using GPU kernel "barrett87_mul32_gs"

found a valid checkpoint file!
  last finished class was: 2464
  no factors found so far.
  previous work took 52966435 ms

Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Jun 07 09:42 | 2475  53.6% | 38.696   4h47m |    199.45    82485    n.a.%
Jun 07 09:43 | 2479  53.8% | 37.548   4h37m |    205.55    82485    n.a.%
Jun 07 09:44 | 2484  53.9% | 43.869   5h23m |    175.93    82485    n.a.%
Jun 07 09:44 | 2488  54.0% | 47.633   5h50m |    162.03    82485    n.a.%
Jun 07 09:46 | 2491  54.1% | 76.534   9h22m |    100.84    82485    n.a.%
Jun 07 09:47 | 2499  54.2% | 94.429  11h32m |     81.73    82485    n.a.%
Jun 07 09:49 | 2500  54.3% | 95.619  11h39m |     80.72    82485    n.a.%
Jun 07 09:50 | 2503  54.4% | 94.073  11h26m |     82.04    82485    n.a.%
Jun 07 09:52 | 2508  54.5% | 94.899  11h31m |     81.33    82485    n.a.%
Jun 07 09:54 | 2515  54.6% | 96.128  11h38m |     80.29    82485    n.a.%
Jun 07 09:55 | 2520  54.7% | 98.438  11h53m |     78.40    82485    n.a.%
Jun 07 09:57 | 2523  54.8% | 81.002   9h45m |     95.28    82485    n.a.%
Jun 07 09:57 | 2524  54.9% | 36.536   4h23m |    211.24    82485    n.a.%
Jun 07 09:58 | 2535  55.0% | 39.120   4h41m |    197.29    82485    n.a.%
Jun 07 09:59 | 2536  55.1% | 54.820   6h33m |    140.79    82485    n.a.%
Jun 07 10:00 | 2544  55.2% | 53.517   6h23m |    144.21    82485    n.a.%
Jun 07 10:01 | 2548  55.3% | 57.284   6h49m |    134.73    82485    n.a.%
Jun 07 10:01 | 2556  55.4% | 55.001   6h32m |    140.32    82485    n.a.%
Jun 07 10:02 | 2559  55.5% | 53.940   6h23m |    143.08    82485    n.a.%
Jun 07 10:03 | 2563  55.6% | 59.649   7h03m |    129.39    82485    n.a.%
Jun 07 10:04 | 2568  55.7% | 33.211   3h55m |    232.39    82485    n.a.%
Jun 07 10:05 | 2571  55.8% | 57.876   6h48m |    133.35    82485    n.a.%
Jun 07 10:06 | 2575  55.9% | 55.389   6h30m |    139.34    82485    n.a.%
Jun 07 10:07 | 2580  56.0% | 43.858   5h08m |    175.98    82485    n.a.%
Jun 07 10:07 | 2583  56.1% | 46.007   5h22m |    167.76    82485    n.a.%
Jun 07 10:08 | 2596  56.2% | 45.455   5h18m |    169.79    82485    n.a.%
Jun 07 10:09 | 2599  56.4% | 60.853   7h04m |    126.83    82485    n.a.%
Jun 07 10:11 | 2604  56.5% | 128.92  14h58m |     59.87    82485    n.a.%
Jun 07 10:13 | 2608  56.6% | 132.88  15h23m |     58.08    82485    n.a.%
Jun 07 10:15 | 2611  56.7% | 121.70  14h03m |     63.42    82485    n.a.%
Jun 07 10:18 | 2619  56.8% | 128.25  14h47m |     60.18    82485    n.a.%
Jun 07 10:20 | 2620  56.9% | 118.39  13h36m |     65.19    82485    n.a.%
Jun 07 10:21 | 2631  57.0% | 106.38  12h12m |     72.55    82485    n.a.%
Jun 07 10:23 | 2635  57.1% | 103.92  11h53m |     74.27    82485    n.a.%
Jun 07 10:25 | 2640  57.2% | 100.81  11h30m |     76.56    82485    n.a.%
Jun 07 10:26 | 2643  57.3% | 98.424  11h12m |     78.42    82485    n.a.%
Jun 07 10:28 | 2655  57.4% | 97.483  11h04m |     79.17    82485    n.a.%
Jun 07 10:30 | 2656  57.5% | 102.87  11h39m |     75.02    82485    n.a.%
Jun 07 10:32 | 2659  57.6% | 109.34  12h21m |     70.59    82485    n.a.%
Jun 07 10:33 | 2664  57.7% | 106.67  12h01m |     72.35    82485    n.a.%
Jun 07 10:35 | 2668  57.8% | 106.87  12h01m |     72.22    82485    n.a.%
Jun 07 10:37 | 2671  57.9% | 100.47  11h16m |     76.82    82485    n.a.%
Jun 07 10:39 | 2676  58.0% | 102.40  11h27m |     75.37    82485    n.a.%
Jun 07 10:40 | 2680  58.1% | 100.29  11h11m |     76.96    82485    n.a.%
Jun 07 10:42 | 2688  58.2% | 99.786  11h06m |     77.34    82485    n.a.%
Jun 07 10:43 | 2691  58.3% | 99.108  11h00m |     77.87    82485    n.a.%
Jun 07 10:45 | 2695  58.4% | 100.32  11h07m |     76.93    82485    n.a.%
Jun 07 10:47 | 2703  58.5% | 100.24  11h04m |     77.00    82485    n.a.%
Jun 07 10:49 | 2704  58.6% | 100.70  11h06m |     76.64    82485    n.a.%
Jun 07 10:50 | 2715  58.8% | 103.32  11h21m |     74.70    82485    n.a.%
Jun 07 10:52 | 2719  58.9% | 104.14  11h25m |     74.11    82485    n.a.%
Jun 07 10:54 | 2724  59.0% | 104.91  11h28m |     73.57    82485    n.a.%
Jun 07 10:55 | 2731  59.1% | 102.29  11h10m |     75.45    82485    n.a.%
Jun 07 10:57 | 2736  59.2% | 100.73  10h58m |     76.62    82485    n.a.%
Jun 07 10:59 | 2739  59.3% | 100.20  10h52m |     77.03    82485    n.a.%
Jun 07 11:00 | 2740  59.4% | 99.926  10h49m |     77.24    82485    n.a.%
Jun 07 11:02 | 2743  59.5% | 100.55  10h51m |     76.76    82485    n.a.%
Jun 07 11:04 | 2748  59.6% | 99.392  10h42m |     77.65    82485    n.a.%
Jun 07 11:05 | 2751  59.7% | 101.28  10h53m |     76.21    82485    n.a.%
Jun 07 11:07 | 2755  59.8% | 99.753  10h41m |     77.37    82485    n.a.%
Jun 07 11:09 | 2764  59.9% | 100.56  10h45m |     76.75    82485    n.a.%
Jun 07 11:11 | 2775  60.0% | 108.78  11h36m |     70.95    82485    n.a.%
Jun 07 11:12 | 2776  60.1% | 107.42  11h25m |     71.85    82485    n.a.%
Jun 07 11:14 | 2779  60.2% | 101.82  10h48m |     75.80    82485    n.a.%
Jun 07 11:16 | 2788  60.3% | 108.17  11h26m |     71.35    82485    n.a.%
Jun 07 11:18 | 2796  60.4% | 105.44  11h07m |     73.20    82485    n.a.%
Jun 07 11:19 | 2799  60.5% | 100.98  10h37m |     76.43    82485    n.a.%
2026-06-07 11:35:53 (13788): wrapper (7.24.26018): starting
2026-06-07 11:35:53 (13788): wrapper: running mfaktc-win-64.exe (-d 0)
2026-06-07 11:35:53 (13788): wrapper: created child process 20296
mfaktc v0.24.0 (64-bit build)

Compile-time options
  THREADS_PER_BLOCK         256
  SIEVE_SIZE_LIMIT          32 kiB
  SIEVE_SIZE                193154 bits
  SIEVE_SPLIT               250
  MORE_CLASSES              enabled

Runtime options
  SievePrimes               25000
  SievePrimesAdjust         1
  SievePrimesMin            5000
  SievePrimesMax            100000
  NumStreams                3
  CPUStreams                3
  GridSize                  3
  GPU sieving               enabled
  GPUSievePrimes            82486
  GPUSieveSize              512 Mib
  GPUSieveProcessSize       16 Kib
  Checkpoints               enabled
  CheckpointDelay           60 s
  WorkFileAddDelay          600 s
  Stages                    disabled
  StopAfterFactor           bit level
  PrintMode                 compact
  Logging                   disabled
  V5UserID                  (none)
  ComputerID                (none)
  AllowSleep                yes
Warning: Cannot read LegacyResultsTxt from mfaktc.ini, set to 0 by default
  LegacyResultsTxt          no
  TimeStampInResults        no
Warning: Cannot read TimestampOnSameLine from mfaktc.ini, set to 0 by default
  TimestampOnSameLine       no
Warning: Cannot read ResultsFileTimestampInterval from mfaktc.ini, set to 1 by default

CUDA version info
  binary compiled for CUDA  12.8
  CUDA runtime version      12.8
  CUDA driver version       13.0

CUDA device info
  name                      NVIDIA GeForce MX350
  compute capability        6.1
  max threads per block     1024
  max shared memory per MP  98304 bytes
  number of multiprocessors 5
  clock rate (CUDA cores)   1468 MHz
  memory clock rate:        3504 MHz
  memory bus width:         64 bits

Automatic parameters
  threads per grid          655360
  GPUSievePrimes (adjusted) 82486
  GPUsieve minimum exponent 1055144

running a simple self-test...
Self-test statistics
  number of tests           104
  successful tests          104

self-test PASSED!

got assignment: exp=178464281 bit_min=76 bit_max=77 (85.75 GHz-days)
Starting trial factoring M178464281 from 2^76 to 2^77 (85.75 GHz-days)
 k_min =  211689037439880
 k_max =  423378074887233
Using GPU kernel "barrett87_mul32_gs"

found a valid checkpoint file!
  last finished class was: 2799
  no factors found so far.
  previous work took 58833694 ms

Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Jun 07 11:36 | 2800  60.6% | 39.072   4h06m |    197.53    82485    n.a.%
Jun 07 11:37 | 2803  60.7% | 44.583   4h40m |    173.11    82485    n.a.%
Jun 07 11:38 | 2808  60.8% | 42.338   4h25m |    182.29    82485    n.a.%
Jun 07 11:38 | 2811  60.9% | 50.117   5h13m |    154.00    82485    n.a.%
Jun 07 11:40 | 2820  61.0% | 93.266   9h41m |     82.75    82485    n.a.%
Jun 07 11:42 | 2823  61.1% | 105.74  10h57m |     72.99    82485    n.a.%
Jun 07 11:43 | 2824  61.2% | 101.86  10h31m |     75.77    82485    n.a.%
Jun 07 11:45 | 2835  61.4% | 98.922  10h11m |     78.02    82485    n.a.%
Jun 07 11:47 | 2836  61.5% | 99.500  10h13m |     77.57    82485    n.a.%
Jun 07 11:48 | 2839  61.6% | 102.11  10h28m |     75.58    82485    n.a.%
Jun 07 11:50 | 2844  61.7% | 101.27  10h21m |     76.21    82485    n.a.%
Jun 07 11:52 | 2851  61.8% | 103.89  10h35m |     74.29    82485    n.a.%
Jun 07 11:54 | 2856  61.9% | 115.89  11h46m |     66.59    82485    n.a.%
Jun 07 11:56 | 2860  62.0% | 111.89  11h20m |     68.98    82485    n.a.%
Jun 07 11:57 | 2863  62.1% | 105.12  10h37m |     73.42    82485    n.a.%
Jun 07 11:59 | 2871  62.2% | 107.02  10h47m |     72.12    82485    n.a.%
Jun 07 12:01 | 2880  62.3% | 104.80  10h32m |     73.64    82485    n.a.%
Jun 07 12:03 | 2883  62.4% | 113.69  11h24m |     67.89    82485    n.a.%
Jun 07 12:04 | 2884  62.5% | 100.95  10h05m |     76.45    82485    n.a.%
Jun 07 12:06 | 2895  62.6% | 101.15  10h05m |     76.30    82485    n.a.%
Jun 07 12:08 | 2899  62.7% | 101.40  10h05m |     76.11    82485    n.a.%
Jun 07 12:10 | 2904  62.8% | 101.23  10h02m |     76.24    82485    n.a.%
Jun 07 12:11 | 2908  62.9% | 100.27   9h54m |     76.97    82485    n.a.%
Jun 07 12:13 | 2911  63.0% | 100.49   9h54m |     76.81    82485    n.a.%
Jun 07 12:15 | 2916  63.1% | 100.36   9h52m |     76.91    82485    n.a.%
Jun 07 12:16 | 2919  63.2% | 106.49  10h26m |     72.48    82485    n.a.%
Jun 07 12:18 | 2920  63.3% | 109.49  10h42m |     70.49    82485    n.a.%
Jun 07 12:20 | 2923  63.4% | 109.68  10h41m |     70.37    82485    n.a.%
Jun 07 12:22 | 2928  63.5% | 106.17  10h19m |     72.70    82485    n.a.%
Jun 07 12:24 | 2935  63.6% | 106.75  10h20m |     72.30    82485    n.a.%
Jun 07 12:25 | 2940  63.8% | 109.67  10h36m |     70.38    82485    n.a.%
Jun 07 12:27 | 2943  63.9% | 107.04  10h19m |     72.10    82485    n.a.%
Jun 07 12:29 | 2944  64.0% | 102.30   9h49m |     75.45    82485    n.a.%
Jun 07 12:31 | 2955  64.1% | 100.83   9h39m |     76.55    82485    n.a.%
Jun 07 12:32 | 2956  64.2% | 102.53   9h47m |     75.27    82485    n.a.%
Jun 07 12:34 | 2964  64.3% | 108.82  10h22m |     70.92    82485    n.a.%
Jun 07 12:36 | 2968  64.4% | 107.15  10h10m |     72.03    82485    n.a.%
Jun 07 12:38 | 2971  64.5% | 112.55  10h39m |     68.58    82485    n.a.%
Jun 07 12:40 | 2976  64.6% | 110.13  10h24m |     70.08    82485    n.a.%
Jun 07 12:41 | 2979  64.7% | 105.39   9h55m |     73.23    82485    n.a.%
Jun 07 12:43 | 2983  64.8% | 107.23  10h04m |     71.98    82485    n.a.%
Jun 07 12:45 | 2988  64.9% | 107.02  10h01m |     72.12    82485    n.a.%
Jun 07 12:47 | 2995  65.0% | 100.20   9h21m |     77.03    82485    n.a.%
Jun 07 12:48 | 3000  65.1% | 101.14   9h24m |     76.31    82485    n.a.%
Jun 07 12:50 | 3003  65.2% | 102.50   9h30m |     75.29    82485    n.a.%
Jun 07 12:52 | 3004  65.3% | 100.89   9h19m |     76.50    82485    n.a.%
Jun 07 12:53 | 3016  65.4% | 104.29   9h37m |     74.01    82485    n.a.%
Jun 07 12:55 | 3019  65.5% | 104.69   9h37m |     73.72    82485    n.a.%
Jun 07 12:57 | 3028  65.6% | 109.05   9h59m |     70.78    82485    n.a.%
Jun 07 12:59 | 3031  65.7% | 110.59  10h06m |     69.79    82485    n.a.%
Jun 07 13:01 | 3039  65.8% | 107.55   9h47m |     71.76    82485    n.a.%
Jun 07 13:02 | 3040  65.9% | 111.02  10h05m |     69.52    82485    n.a.%
Jun 07 13:04 | 3048  66.0% | 105.10   9h31m |     73.43    82485    n.a.%
Jun 07 13:06 | 3051  66.1% | 105.86   9h33m |     72.91    82485    n.a.%
Jun 07 13:08 | 3055  66.2% | 104.59   9h24m |     73.79    82485    n.a.%
Jun 07 13:09 | 3060  66.4% | 103.69   9h18m |     74.43    82485    n.a.%
Jun 07 13:11 | 3063  66.5% | 104.13   9h18m |     74.12    82485    n.a.%
Jun 07 13:13 | 3075  66.6% | 102.52   9h08m |     75.28    82485    n.a.%
Jun 07 13:15 | 3076  66.7% | 103.44   9h11m |     74.61    82485    n.a.%
Jun 07 13:16 | 3084  66.8% | 104.14   9h13m |     74.11    82485    n.a.%
Jun 07 13:18 | 3088  66.9% | 106.05   9h22m |     72.78    82485    n.a.%
Jun 07 13:20 | 3091  67.0% | 111.07   9h46m |     69.49    82485    n.a.%
Jun 07 13:22 | 3096  67.1% | 110.57   9h42m |     69.80    82485    n.a.%
Jun 07 13:24 | 3100  67.2% | 107.68   9h25m |     71.67    82485    n.a.%
Jun 07 13:25 | 3103  67.3% | 116.99  10h12m |     65.97    82485    n.a.%
Jun 07 13:27 | 3108  67.4% | 116.94  10h10m |     66.00    82485    n.a.%
Jun 07 13:29 | 3111  67.5% | 113.00   9h47m |     68.30    82485    n.a.%
Jun 07 13:31 | 3115  67.6% | 105.40   9h06m |     73.23    82485    n.a.%
Jun 07 13:33 | 3124  67.7% | 103.41   8h54m |     74.63    82485    n.a.%
Jun 07 13:35 | 3135  67.8% | 105.18   9h01m |     73.38    82485    n.a.%
Jun 07 13:36 | 3136  67.9% | 110.59   9h27m |     69.79    82485    n.a.%
Jun 07 13:38 | 3139  68.0% | 104.46   8h54m |     73.88    82485    n.a.%
Jun 07 13:40 | 3144  68.1% | 103.99   8h50m |     74.22    82485    n.a.%
Jun 07 13:42 | 3151  68.2% | 104.94   8h53m |     73.55    82485    n.a.%
Jun 07 13:43 | 3159  68.3% | 112.37   9h29m |     68.69    82485    n.a.%
Jun 07 13:46 | 3160  68.4% | 132.76  11h10m |     58.13    82485    n.a.%
Jun 07 13:48 | 3163  68.5% | 142.49  11h57m |     54.17    82485    n.a.%
Jun 07 13:50 | 3168  68.6% | 113.22   9h27m |     68.17    82485    n.a.%
Jun 07 13:52 | 3171  68.8% | 112.04   9h20m |     68.88    82485    n.a.%
Jun 07 13:54 | 3175  68.9% | 114.38   9h30m |     67.48    82485    n.a.%
Jun 07 13:56 | 3180  69.0% | 112.04   9h16m |     68.89    82485    n.a.%
Jun 07 13:57 | 3184  69.1% | 112.50   9h16m |     68.60    82485    n.a.%
Jun 07 13:59 | 3195  69.2% | 109.86   9h01m |     70.25    82485    n.a.%
Jun 07 14:01 | 3196  69.3% | 106.04   8h41m |     72.78    82485    n.a.%
Jun 07 14:03 | 3199  69.4% | 109.35   8h55m |     70.58    82485    n.a.%
Jun 07 14:05 | 3208  69.5% | 112.23   9h08m |     68.77    82485    n.a.%
Jun 07 14:07 | 3216  69.6% | 130.62  10h35m |     59.09    82485    n.a.%
Jun 07 14:09 | 3219  69.7% | 117.03   9h27m |     65.95    82485    n.a.%
Jun 07 14:11 | 3220  69.8% | 115.64   9h18m |     66.74    82485    n.a.%
Jun 07 14:13 | 3223  69.9% | 116.47   9h21m |     66.26    82485    n.a.%
Jun 07 14:15 | 3228  70.0% | 112.24   8h58m |     68.76    82485    n.a.%
Jun 07 14:17 | 3231  70.1% | 119.64   9h32m |     64.51    82485    n.a.%
Jun 07 14:19 | 3235  70.2% | 118.28   9h23m |     65.25    82485    n.a.%
Jun 07 14:20 | 3240  70.3% | 106.54   8h26m |     72.44    82485    n.a.%
Jun 07 14:22 | 3243  70.4% | 105.23   8h18m |     73.34    82485    n.a.%
Jun 07 14:24 | 3256  70.5% | 105.70   8h18m |     73.02    82485    n.a.%
Jun 07 14:26 | 3259  70.6% | 107.27   8h24m |     71.95    82485    n.a.%
Jun 07 14:27 | 3264  70.7% | 106.13   8h17m |     72.72    82485    n.a.%
Jun 07 14:29 | 3268  70.8% | 100.35   7h48m |     76.91    82485    n.a.%
Jun 07 14:31 | 3271  70.9% | 103.36   8h00m |     74.67    82485    n.a.%
Jun 07 14:33 | 3276  71.0% | 99.857   7h42m |     77.29    82485    n.a.%
Jun 07 14:34 | 3279  71.1% | 100.82   7h45m |     76.55    82485    n.a.%
Jun 07 14:36 | 3280  71.2% | 102.91   7h53m |     75.00    82485    n.a.%
Jun 07 14:38 | 3283  71.4% | 106.85   8h09m |     72.23    82485    n.a.%
Jun 07 14:39 | 3291  71.5% | 106.97   8h08m |     72.15    82485    n.a.%
Jun 07 14:41 | 3300  71.6% | 111.64   8h27m |     69.13    82485    n.a.%
Jun 07 14:43 | 3303  71.7% | 105.95   8h00m |     72.84    82485    n.a.%
Jun 07 14:45 | 3304  71.8% | 104.95   7h54m |     73.54    82485    n.a.%
Jun 07 14:47 | 3315  71.9% | 104.54   7h50m |     73.83    82485    n.a.%
Jun 07 14:48 | 3319  72.0% | 105.35   7h52m |     73.26    82485    n.a.%
Jun 07 14:50 | 3324  72.1% | 105.17   7h49m |     73.39    82485    n.a.%
Jun 07 14:52 | 3328  72.2% | 111.69   8h17m |     69.10    82485    n.a.%
Jun 07 14:54 | 3331  72.3% | 106.24   7h50m |     72.65    82485    n.a.%
Jun 07 14:56 | 3336  72.4% | 113.83   8h22m |     67.80    82485    n.a.%
Jun 07 14:58 | 3339  72.5% | 121.51   8h54m |     63.52    82485    n.a.%
Jun 07 15:00 | 3340  72.6% | 112.07   8h11m |     68.87    82485    n.a.%
Jun 07 15:01 | 3348  72.7% | 117.46   8h32m |     65.71    82485    n.a.%
Jun 07 15:04 | 3355  72.8% | 131.11   9h30m |     58.87    82485    n.a.%
Jun 07 15:06 | 3360  72.9% | 117.29   8h28m |     65.80    82485    n.a.%
Jun 07 15:08 | 3363  73.0% | 117.46   8h27m |     65.71    82485    n.a.%
Jun 07 15:09 | 3364  73.1% | 106.83   7h39m |     72.24    82485    n.a.%
Jun 07 15:11 | 3375  73.2% | 105.00   7h29m |     73.50    82485    n.a.%
Jun 07 15:13 | 3384  73.3% | 105.72   7h31m |     73.00    82485    n.a.%
Jun 07 15:15 | 3388  73.4% | 106.16   7h31m |     72.70    82485    n.a.%
Jun 07 15:16 | 3391  73.5% | 106.34   7h30m |     72.58    82485    n.a.%
Jun 07 15:18 | 3396  73.6% | 105.28   7h23m |     73.31    82485    n.a.%
Jun 07 15:20 | 3399  73.8% | 117.77   8h14m |     65.53    82485    n.a.%
Jun 07 15:22 | 3403  73.9% | 114.86   8h00m |     67.20    82485    n.a.%
Jun 07 15:24 | 3408  74.0% | 120.75   8h23m |     63.91    82485    n.a.%
Jun 07 15:26 | 3411  74.1% | 115.81   8h00m |     66.64    82485    n.a.%
Jun 07 15:28 | 3415  74.2% | 131.36   9h02m |     58.75    82485    n.a.%
Jun 07 15:30 | 3423  74.3% | 110.32   7h34m |     69.96    82485    n.a.%
Jun 07 15:32 | 3424  74.4% | 106.31   7h15m |     72.59    82485    n.a.%
Jun 07 15:34 | 3436  74.5% | 109.85   7h28m |     70.26    82485    n.a.%
Jun 07 15:36 | 3439  74.6% | 121.67   8h14m |     63.43    82485    n.a.%
Jun 07 15:38 | 3444  74.7% | 126.92   8h34m |     60.81    82485    n.a.%
Jun 07 15:40 | 3448  74.8% | 111.68   7h30m |     69.11    82485    n.a.%
Jun 07 15:42 | 3451  74.9% | 114.38   7h39m |     67.47    82485    n.a.%
Jun 07 15:43 | 3459  75.0% | 114.04   7h36m |     67.68    82485    n.a.%
Jun 07 15:45 | 3460  75.1% | 118.67   7h52m |     65.04    82485    n.a.%
Jun 07 15:47 | 3468  75.2% | 111.57   7h22m |     69.18    82485    n.a.%
Jun 07 15:49 | 3471  75.3% | 122.74   8h04m |     62.88    82485    n.a.%
Jun 07 15:51 | 3480  75.4% | 117.13   7h40m |     65.89    82485    n.a.%
Jun 07 15:53 | 3483  75.5% | 111.54   7h16m |     69.19    82485    n.a.%
Jun 07 15:55 | 3495  75.6% | 114.08   7h24m |     67.66    82485    n.a.%
Jun 07 15:57 | 3496  75.7% | 121.95   7h53m |     63.29    82485    n.a.%
Jun 07 15:59 | 3499  75.8% | 120.41   7h45m |     64.10    82485    n.a.%
Jun 07 16:01 | 3504  75.9% | 124.10   7h57m |     62.19    82485    n.a.%
Jun 07 16:03 | 3511  76.0% | 112.26   7h10m |     68.75    82485    n.a.%
Jun 07 16:05 | 3516  76.1% | 114.16   7h15m |     67.61    82485    n.a.%
Jun 07 16:07 | 3520  76.2% | 117.05   7h24m |     65.94    82485    n.a.%
Jun 07 16:09 | 3523  76.4% | 115.95   7h18m |     66.56    82485    n.a.%
Jun 07 16:11 | 3528  76.5% | 112.13   7h02m |     68.83    82485    n.a.%
Jun 07 16:13 | 3531  76.6% | 117.69   7h21m |     65.58    82485    n.a.%
Jun 07 16:15 | 3535  76.7% | 119.24   7h25m |     64.72    82485    n.a.%
Jun 07 16:16 | 3543  76.8% | 112.29   6h57m |     68.73    82485    n.a.%
Jun 07 16:19 | 3544  76.9% | 121.77   7h30m |     63.38    82485    n.a.%
Jun 07 16:20 | 3555  77.0% | 113.58   6h58m |     67.95    82485    n.a.%
Jun 07 16:22 | 3556  77.1% | 111.52   6h48m |     69.20    82485    n.a.%
Jun 07 16:24 | 3559  77.2% | 111.44   6h46m |     69.26    82485    n.a.%
Jun 07 16:26 | 3564  77.3% | 106.99   6h28m |     72.13    82485    n.a.%
Jun 07 16:28 | 3571  77.4% | 111.66   6h43m |     69.12    82485    n.a.%
Jun 07 16:30 | 3576  77.5% | 112.26   6h44m |     68.75    82485    n.a.%
Jun 07 16:32 | 3579  77.6% | 111.73   6h40m |     69.07    82485    n.a.%
Jun 07 16:33 | 3580  77.7% | 104.42   6h12m |     73.92    82485    n.a.%
Jun 07 16:35 | 3583  77.8% | 108.06   6h23m |     71.42    82485    n.a.%
Jun 07 16:37 | 3588  77.9% | 110.75   6h31m |     69.69    82485    n.a.%
Jun 07 16:39 | 3591  78.0% | 111.79   6h33m |     69.04    82485    n.a.%
Jun 07 16:41 | 3595  78.1% | 110.28   6h25m |     69.98    82485    n.a.%
Jun 07 16:42 | 3600  78.2% | 113.62   6h35m |     67.93    82485    n.a.%
Jun 07 16:45 | 3604  78.3% | 122.87   7h05m |     62.82    82485    n.a.%
Jun 07 16:46 | 3615  78.4% | 109.64   6h18m |     70.39    82485    n.a.%
Jun 07 16:48 | 3616  78.5% | 110.78   6h20m |     69.67    82485    n.a.%
Jun 07 16:50 | 3619  78.6% | 116.20   6h37m |     66.42    82485    n.a.%
Jun 07 16:52 | 3628  78.8% | 116.05   6h34m |     66.50    82485    n.a.%
Jun 07 16:54 | 3636  78.9% | 121.02   6h49m |     63.78    82485    n.a.%
Jun 07 16:56 | 3639  79.0% | 114.32   6h24m |     67.51    82485    n.a.%
2026-06-07 17:10:42 (21764): wrapper (7.24.26018): starting
2026-06-07 17:10:42 (21764): wrapper: running mfaktc-win-64.exe (-d 0)
2026-06-07 17:10:42 (21764): wrapper: created child process 11352
mfaktc v0.24.0 (64-bit build)

Compile-time options
  THREADS_PER_BLOCK         256
  SIEVE_SIZE_LIMIT          32 kiB
  SIEVE_SIZE                193154 bits
  SIEVE_SPLIT               250
  MORE_CLASSES              enabled

Runtime options
  SievePrimes               25000
  SievePrimesAdjust         1
  SievePrimesMin            5000
  SievePrimesMax            100000
  NumStreams                3
  CPUStreams                3
  GridSize                  3
  GPU sieving               enabled
  GPUSievePrimes            82486
  GPUSieveSize              512 Mib
  GPUSieveProcessSize       16 Kib
  Checkpoints               enabled
  CheckpointDelay           60 s
  WorkFileAddDelay          600 s
  Stages                    disabled
  StopAfterFactor           bit level
  PrintMode                 compact
  Logging                   disabled
  V5UserID                  (none)
  ComputerID                (none)
  AllowSleep                yes
Warning: Cannot read LegacyResultsTxt from mfaktc.ini, set to 0 by default
  LegacyResultsTxt          no
  TimeStampInResults        no
Warning: Cannot read TimestampOnSameLine from mfaktc.ini, set to 0 by default
  TimestampOnSameLine       no
Warning: Cannot read ResultsFileTimestampInterval from mfaktc.ini, set to 1 by default

CUDA version info
  binary compiled for CUDA  12.8
  CUDA runtime version      12.8
  CUDA driver version       13.0

CUDA device info
  name                      NVIDIA GeForce MX350
  compute capability        6.1
  max threads per block     1024
  max shared memory per MP  98304 bytes
  number of multiprocessors 5
  clock rate (CUDA cores)   1468 MHz
  memory clock rate:        3504 MHz
  memory bus width:         64 bits

Automatic parameters
  threads per grid          655360
  GPUSievePrimes (adjusted) 82486
  GPUsieve minimum exponent 1055144

running a simple self-test...
Self-test statistics
  number of tests           104
  successful tests          104

self-test PASSED!

got assignment: exp=178464281 bit_min=76 bit_max=77 (85.75 GHz-days)
Starting trial factoring M178464281 from 2^76 to 2^77 (85.75 GHz-days)
 k_min =  211689037439880
 k_max =  423378074887233
Using GPU kernel "barrett87_mul32_gs"

found a valid checkpoint file!
  last finished class was: 3639
  no factors found so far.
  previous work took 78067710 ms

Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Jun 07 17:11 | 3643  79.1% | 32.660   1h49m |    236.31    82485    n.a.%
Jun 07 17:11 | 3648  79.2% | 37.957   2h06m |    203.33    82485    n.a.%
Jun 07 17:12 | 3655  79.3% | 37.489   2h04m |    205.87    82485    n.a.%
Jun 07 17:13 | 3660  79.4% | 45.324   2h29m |    170.28    82485    n.a.%
Jun 07 17:14 | 3663  79.5% | 87.504   4h47m |     88.20    82485    n.a.%
Jun 07 17:15 | 3664  79.6% | 36.317   1h58m |    212.52    82485    n.a.%
Jun 07 17:16 | 3675  79.7% | 66.673   3h36m |    115.76    82485    n.a.%
Jun 07 17:17 | 3676  79.8% | 35.507   1h54m |    217.36    82485    n.a.%
Jun 07 17:17 | 3679  79.9% | 42.742   2h17m |    180.57    82485    n.a.%
Jun 07 17:18 | 3688  80.0% | 45.423   2h25m |    169.91    82485    n.a.%
Jun 07 17:19 | 3691  80.1% | 58.224   3h05m |    132.56    82485    n.a.%
Jun 07 17:21 | 3696  80.2% | 130.74   6h54m |     59.03    82485    n.a.%
Jun 07 17:23 | 3699  80.3% | 130.31   6h50m |     59.23    82485    n.a.%
Jun 07 17:26 | 3700  80.4% | 128.72   6h43m |     59.96    82485    n.a.%
Jun 07 17:27 | 3703  80.5% | 112.44   5h50m |     68.64    82485    n.a.%
Jun 07 17:29 | 3711  80.6% | 113.37   5h51m |     68.08    82485    n.a.%
Jun 07 17:31 | 3720  80.7% | 109.53   5h37m |     70.46    82485    n.a.%
Jun 07 17:33 | 3723  80.8% | 106.23   5h25m |     72.65    82485    n.a.%
Jun 07 17:35 | 3724  80.9% | 106.42   5h24m |     72.53    82485    n.a.%
Jun 07 17:37 | 3735  81.0% | 117.14   5h55m |     65.89    82485    n.a.%
Jun 07 17:38 | 3744  81.1% | 108.35   5h26m |     71.23    82485    n.a.%
Jun 07 17:40 | 3748  81.2% | 109.51   5h28m |     70.48    82485    n.a.%
Jun 07 17:42 | 3751  81.4% | 107.95   5h22m |     71.49    82485    n.a.%
Jun 07 17:44 | 3756  81.5% | 105.52   5h13m |     73.14    82485    n.a.%
Jun 07 17:46 | 3759  81.6% | 115.00   5h39m |     67.11    82485    n.a.%
Jun 07 17:47 | 3760  81.7% | 106.19   5h11m |     72.68    82485    n.a.%
Jun 07 17:49 | 3763  81.8% | 108.16   5h15m |     71.35    82485    n.a.%
Jun 07 17:51 | 3768  81.9% | 107.52   5h11m |     71.78    82485    n.a.%
Jun 07 17:53 | 3775  82.0% | 101.95   4h53m |     75.71    82485    n.a.%
Jun 07 17:55 | 3780  82.1% | 105.10   5h01m |     73.44    82485    n.a.%
Jun 07 17:56 | 3784  82.2% | 101.48   4h49m |     76.05    82485    n.a.%
Jun 07 17:58 | 3795  82.3% | 104.36   4h55m |     73.96    82485    n.a.%
Jun 07 18:00 | 3796  82.4% | 128.59   6h02m |     60.02    82485    n.a.%
Jun 07 18:02 | 3804  82.5% | 132.46   6h10m |     58.27    82485    n.a.%
Jun 07 18:04 | 3808  82.6% | 107.92   5h00m |     71.52    82485    n.a.%
Jun 07 18:06 | 3811  82.7% | 126.78   5h50m |     60.88    82485    n.a.%
Jun 07 18:09 | 3819  82.8% | 139.91   6h24m |     55.16    82485    n.a.%
2026-06-08 05:48:30 (12100): wrapper (7.24.26018): starting
2026-06-08 05:48:31 (12100): wrapper: running mfaktc-win-64.exe (-d 0)
2026-06-08 05:48:31 (12100): wrapper: created child process 16392
mfaktc v0.24.0 (64-bit build)

Compile-time options
  THREADS_PER_BLOCK         256
  SIEVE_SIZE_LIMIT          32 kiB
  SIEVE_SIZE                193154 bits
  SIEVE_SPLIT               250
  MORE_CLASSES              enabled

Runtime options
  SievePrimes               25000
  SievePrimesAdjust         1
  SievePrimesMin            5000
  SievePrimesMax            100000
  NumStreams                3
  CPUStreams                3
  GridSize                  3
  GPU sieving               enabled
  GPUSievePrimes            82486
  GPUSieveSize              512 Mib
  GPUSieveProcessSize       16 Kib
  Checkpoints               enabled
  CheckpointDelay           60 s
  WorkFileAddDelay          600 s
  Stages                    disabled
  StopAfterFactor           bit level
  PrintMode                 compact
  Logging                   disabled
  V5UserID                  (none)
  ComputerID                (none)
  AllowSleep                yes
Warning: Cannot read LegacyResultsTxt from mfaktc.ini, set to 0 by default
  LegacyResultsTxt          no
  TimeStampInResults        no
Warning: Cannot read TimestampOnSameLine from mfaktc.ini, set to 0 by default
  TimestampOnSameLine       no
Warning: Cannot read ResultsFileTimestampInterval from mfaktc.ini, set to 1 by default

CUDA version info
  binary compiled for CUDA  12.8
  CUDA runtime version      12.8
  CUDA driver version       13.0

CUDA device info
  name                      NVIDIA GeForce MX350
  compute capability        6.1
  max threads per block     1024
  max shared memory per MP  98304 bytes
  number of multiprocessors 5
  clock rate (CUDA cores)   1468 MHz
  memory clock rate:        3504 MHz
  memory bus width:         64 bits

Automatic parameters
  threads per grid          655360
  GPUSievePrimes (adjusted) 82486
  GPUsieve minimum exponent 1055144

running a simple self-test...
Self-test statistics
  number of tests           104
  successful tests          104

self-test PASSED!

got assignment: exp=178464281 bit_min=76 bit_max=77 (85.75 GHz-days)
Starting trial factoring M178464281 from 2^76 to 2^77 (85.75 GHz-days)
 k_min =  211689037439880
 k_max =  423378074887233
Using GPU kernel "barrett87_mul32_gs"

found a valid checkpoint file!
  last finished class was: 3819
  no factors found so far.
  previous work took 81565178 ms

Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Jun 08 05:49 | 3823  82.9% | 32.786   1h29m |    235.40    82485    n.a.%
Jun 08 05:49 | 3828  83.0% | 33.938   1h32m |    227.41    82485    n.a.%
Jun 08 05:50 | 3831  83.1% | 40.950   1h50m |    188.47    82485    n.a.%
Jun 08 05:51 | 3835  83.2% | 41.207   1h50m |    187.30    82485    n.a.%
Jun 08 05:51 | 3840  83.3% | 40.747   1h48m |    189.41    82485    n.a.%
Jun 08 05:52 | 3843  83.4% | 49.809   2h12m |    154.95    82485    n.a.%
Jun 08 05:54 | 3844  83.5% | 139.00   6h06m |     55.53    82485    n.a.%
Jun 08 05:56 | 3856  83.6% | 111.68   4h52m |     69.11    82485    n.a.%
Jun 08 05:58 | 3859  83.8% | 109.36   4h44m |     70.57    82485    n.a.%
Jun 08 06:00 | 3864  83.9% | 113.99   4h54m |     67.71    82485    n.a.%
Jun 08 06:02 | 3868  84.0% | 120.18   5h08m |     64.22    82485    n.a.%
Jun 08 06:04 | 3879  84.1% | 106.26   4h30m |     72.64    82485    n.a.%
Jun 08 06:06 | 3880  84.2% | 117.55   4h57m |     65.65    82485    n.a.%
Jun 08 06:08 | 3888  84.3% | 116.81   4h53m |     66.08    82485    n.a.%
Jun 08 06:09 | 3891  84.4% | 103.78   4h19m |     74.36    82485    n.a.%
Jun 08 06:11 | 3895  84.5% | 119.59   4h57m |     64.53    82485    n.a.%
Jun 08 06:13 | 3900  84.6% | 102.44   4h12m |     75.34    82485    n.a.%
Jun 08 06:15 | 3903  84.7% | 104.77   4h16m |     73.66    82485    n.a.%
Jun 08 06:16 | 3916  84.8% | 101.59   4h07m |     75.97    82485    n.a.%
Jun 08 06:18 | 3919  84.9% | 101.16   4h04m |     76.29    82485    n.a.%
Jun 08 06:20 | 3924  85.0% | 108.87   4h21m |     70.89    82485    n.a.%
Jun 08 06:22 | 3928  85.1% | 103.37   4h06m |     74.66    82485    n.a.%
Jun 08 06:23 | 3931  85.2% | 104.67   4h07m |     73.73    82485    n.a.%
Jun 08 06:25 | 3936  85.3% | 106.81   4h11m |     72.26    82485    n.a.%
Jun 08 06:27 | 3940  85.4% | 116.95   4h32m |     65.99    82485    n.a.%
Jun 08 06:29 | 3943  85.5% | 115.83   4h28m |     66.63    82485    n.a.%
Jun 08 06:31 | 3951  85.6% | 122.68   4h42m |     62.91    82485    n.a.%
Jun 08 06:33 | 3955  85.7% | 134.05   5h06m |     57.57    82485    n.a.%
Jun 08 06:35 | 3963  85.8% | 116.65   4h24m |     66.16    82485    n.a.%
Jun 08 06:37 | 3964  85.9% | 125.94   4h43m |     61.28    82485    n.a.%
Jun 08 06:40 | 3975  86.0% | 127.91   4h45m |     60.34    82485    n.a.%
Jun 08 06:41 | 3976  86.1% | 103.91   3h50m |     74.28    82485    n.a.%
Jun 08 06:43 | 3979  86.2% | 108.51   3h58m |     71.13    82485    n.a.%
Jun 08 06:45 | 3984  86.4% | 114.09   4h09m |     67.65    82485    n.a.%
Jun 08 06:47 | 3991  86.5% | 112.67   4h04m |     68.50    82485    n.a.%
Jun 08 06:49 | 3996  86.6% | 112.18   4h01m |     68.80    82485    n.a.%
Jun 08 06:51 | 3999  86.7% | 113.70   4h02m |     67.88    82485    n.a.%
Jun 08 06:53 | 4000  86.8% | 111.09   3h55m |     69.48    82485    n.a.%
Jun 08 06:54 | 4008  86.9% | 110.09   3h51m |     70.11    82485    n.a.%
Jun 08 06:56 | 4011  87.0% | 108.39   3h45m |     71.21    82485    n.a.%
Jun 08 06:58 | 4015  87.1% | 119.06   4h06m |     64.82    82485    n.a.%
Jun 08 07:00 | 4020  87.2% | 120.23   4h06m |     64.20    82485    n.a.%
Jun 08 07:02 | 4024  87.3% | 106.75   3h37m |     72.30    82485    n.a.%
Jun 08 07:04 | 4035  87.4% | 104.33   3h30m |     73.97    82485    n.a.%
Jun 08 07:06 | 4039  87.5% | 111.49   3h42m |     69.23    82485    n.a.%
Jun 08 07:07 | 4048  87.6% | 104.95   3h28m |     73.54    82485    n.a.%
Jun 08 07:09 | 4056  87.7% | 113.13   3h42m |     68.22    82485    n.a.%
Jun 08 07:11 | 4059  87.8% | 109.00   3h32m |     70.81    82485    n.a.%
Jun 08 07:13 | 4060  87.9% | 122.53   3h56m |     62.99    82485    n.a.%
Jun 08 07:15 | 4063  88.0% | 120.29   3h50m |     64.16    82485    n.a.%
Jun 08 07:17 | 4068  88.1% | 135.22   4h16m |     57.08    82485    n.a.%
Jun 08 07:20 | 4071  88.2% | 134.98   4h14m |     57.18    82485    n.a.%
Jun 08 07:21 | 4075  88.3% | 118.30   3h40m |     65.24    82485    n.a.%
Jun 08 07:23 | 4083  88.4% | 104.81   3h13m |     73.63    82485    n.a.%
Jun 08 07:25 | 4084  88.5% | 118.74   3h37m |     65.00    82485    n.a.%
Jun 08 07:27 | 4095  88.6% | 121.46   3h40m |     63.54    82485    n.a.%
Jun 08 07:29 | 4096  88.8% | 118.19   3h32m |     65.30    82485    n.a.%
Jun 08 07:31 | 4099  88.9% | 117.57   3h29m |     65.64    82485    n.a.%
Jun 08 07:33 | 4104  89.0% | 112.47   3h18m |     68.62    82485    n.a.%
Jun 08 07:35 | 4108  89.1% | 125.55   3h39m |     61.47    82485    n.a.%
Jun 08 07:37 | 4111  89.2% | 113.40   3h16m |     68.06    82485    n.a.%
Jun 08 07:39 | 4116  89.3% | 108.88   3h06m |     70.89    82485    n.a.%
Jun 08 07:41 | 4119  89.4% | 106.53   3h01m |     72.45    82485    n.a.%
Jun 08 07:42 | 4120  89.5% | 111.22   3h07m |     69.39    82485    n.a.%
Jun 08 07:44 | 4123  89.6% | 103.30   2h52m |     74.71    82485    n.a.%
Jun 08 07:46 | 4131  89.7% | 103.21   2h50m |     74.78    82485    n.a.%
2026-06-08 07:48:26 (7024): wrapper (7.24.26018): starting
2026-06-08 07:48:26 (7024): wrapper: running mfaktc-win-64.exe (-d 0)
2026-06-08 07:48:26 (7024): wrapper: created child process 12608
mfaktc v0.24.0 (64-bit build)

Compile-time options
  THREADS_PER_BLOCK         256
  SIEVE_SIZE_LIMIT          32 kiB
  SIEVE_SIZE                193154 bits
  SIEVE_SPLIT               250
  MORE_CLASSES              enabled

Runtime options
  SievePrimes               25000
  SievePrimesAdjust         1
  SievePrimesMin            5000
  SievePrimesMax            100000
  NumStreams                3
  CPUStreams                3
  GridSize                  3
  GPU sieving               enabled
  GPUSievePrimes            82486
  GPUSieveSize              512 Mib
  GPUSieveProcessSize       16 Kib
  Checkpoints               enabled
  CheckpointDelay           60 s
  WorkFileAddDelay          600 s
  Stages                    disabled
  StopAfterFactor           bit level
  PrintMode                 compact
  Logging                   disabled
  V5UserID                  (none)
  ComputerID                (none)
  AllowSleep                yes
Warning: Cannot read LegacyResultsTxt from mfaktc.ini, set to 0 by default
  LegacyResultsTxt          no
  TimeStampInResults        no
Warning: Cannot read TimestampOnSameLine from mfaktc.ini, set to 0 by default
  TimestampOnSameLine       no
Warning: Cannot read ResultsFileTimestampInterval from mfaktc.ini, set to 1 by default

CUDA version info
  binary compiled for CUDA  12.8
  CUDA runtime version      12.8
  CUDA driver version       13.0

CUDA device info
  name                      NVIDIA GeForce MX350
  compute capability        6.1
  max threads per block     1024
  max shared memory per MP  98304 bytes
  number of multiprocessors 5
  clock rate (CUDA cores)   1468 MHz
  memory clock rate:        3504 MHz
  memory bus width:         64 bits

Automatic parameters
  threads per grid          655360
  GPUSievePrimes (adjusted) 82486
  GPUsieve minimum exponent 1055144

running a simple self-test...
Self-test statistics
  number of tests           104
  successful tests          104

self-test PASSED!

got assignment: exp=178464281 bit_min=76 bit_max=77 (85.75 GHz-days)
Starting trial factoring M178464281 from 2^76 to 2^77 (85.75 GHz-days)
 k_min =  211689037439880
 k_max =  423378074887233
Using GPU kernel "barrett87_mul32_gs"

found a valid checkpoint file!
  last finished class was: 4131
  no factors found so far.
  previous work took 88636715 ms

Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Jun 08 07:49 | 4140  89.8% | 32.757  53m30s |    235.61    82485    n.a.%
Jun 08 07:49 | 4143  89.9% | 33.065  53m27s |    233.42    82485    n.a.%
Jun 08 07:50 | 4144  90.0% | 42.367   1h07m |    182.17    82485    n.a.%
Jun 08 07:51 | 4155  90.1% | 45.021   1h11m |    171.43    82485    n.a.%
Jun 08 07:51 | 4159  90.2% | 48.960   1h16m |    157.64    82485    n.a.%
2026-06-08 08:03:03 (3936): wrapper (7.24.26018): starting
2026-06-08 08:03:03 (3936): wrapper: running mfaktc-win-64.exe (-d 0)
2026-06-08 08:03:03 (3936): wrapper: created child process 14900
mfaktc v0.24.0 (64-bit build)

Compile-time options
  THREADS_PER_BLOCK         256
  SIEVE_SIZE_LIMIT          32 kiB
  SIEVE_SIZE                193154 bits
  SIEVE_SPLIT               250
  MORE_CLASSES              enabled

Runtime options
  SievePrimes               25000
  SievePrimesAdjust         1
  SievePrimesMin            5000
  SievePrimesMax            100000
  NumStreams                3
  CPUStreams                3
  GridSize                  3
  GPU sieving               enabled
  GPUSievePrimes            82486
  GPUSieveSize              512 Mib
  GPUSieveProcessSize       16 Kib
  Checkpoints               enabled
  CheckpointDelay           60 s
  WorkFileAddDelay          600 s
  Stages                    disabled
  StopAfterFactor           bit level
  PrintMode                 compact
  Logging                   disabled
  V5UserID                  (none)
  ComputerID                (none)
  AllowSleep                yes
Warning: Cannot read LegacyResultsTxt from mfaktc.ini, set to 0 by default
  LegacyResultsTxt          no
  TimeStampInResults        no
Warning: Cannot read TimestampOnSameLine from mfaktc.ini, set to 0 by default
  TimestampOnSameLine       no
Warning: Cannot read ResultsFileTimestampInterval from mfaktc.ini, set to 1 by default

CUDA version info
  binary compiled for CUDA  12.8
  CUDA runtime version      12.8
  CUDA driver version       13.0

CUDA device info
  name                      NVIDIA GeForce MX350
  compute capability        6.1
  max threads per block     1024
  max shared memory per MP  98304 bytes
  number of multiprocessors 5
  clock rate (CUDA cores)   1468 MHz
  memory clock rate:        3504 MHz
  memory bus width:         64 bits

Automatic parameters
  threads per grid          655360
  GPUSievePrimes (adjusted) 82486
  GPUsieve minimum exponent 1055144

running a simple self-test...
Self-test statistics
  number of tests           104
  successful tests          104

self-test PASSED!

got assignment: exp=178464281 bit_min=76 bit_max=77 (85.75 GHz-days)
Starting trial factoring M178464281 from 2^76 to 2^77 (85.75 GHz-days)
 k_min =  211689037439880
 k_max =  423378074887233
Using GPU kernel "barrett87_mul32_gs"

found a valid checkpoint file!
  last finished class was: 4155
  no factors found so far.
  previous work took 88789925 ms

Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Jun 08 08:03 | 4159  90.2% | 32.760  51m19s |    235.59    82485    n.a.%
Jun 08 08:04 | 4164  90.3% | 44.815   1h09m |    172.22    82485    n.a.%
Jun 08 08:05 | 4171  90.4% | 42.675   1h05m |    180.85    82485    n.a.%
Jun 08 08:05 | 4176  90.5% | 45.564   1h09m |    169.39    82485    n.a.%
Jun 08 08:06 | 4180  90.6% | 50.358   1h15m |    153.26    82485    n.a.%
Jun 08 08:08 | 4183  90.7% | 136.66   3h22m |     56.48    82485    n.a.%
Jun 08 08:11 | 4188  90.8% | 147.11   3h35m |     52.46    82485    n.a.%
Jun 08 08:13 | 4195  90.9% | 111.43   2h41m |     69.26    82485    n.a.%
Jun 08 08:15 | 4200  91.0% | 111.17   2h39m |     69.42    82485    n.a.%
Jun 08 08:16 | 4203  91.1% | 110.98   2h37m |     69.55    82485    n.a.%
Jun 08 08:18 | 4204  91.2% | 110.78   2h35m |     69.67    82485    n.a.%
Jun 08 08:20 | 4215  91.4% | 120.44   2h46m |     64.08    82485    n.a.%
Jun 08 08:22 | 4216  91.5% | 117.99   2h41m |     65.41    82485    n.a.%
Jun 08 08:24 | 4224  91.6% | 113.38   2h33m |     68.07    82485    n.a.%
Jun 08 08:26 | 4228  91.7% | 116.42   2h35m |     66.29    82485    n.a.%
Jun 08 08:28 | 4231  91.8% | 120.51   2h38m |     64.04    82485    n.a.%
Jun 08 08:30 | 4236  91.9% | 100.70   2h10m |     76.64    82485    n.a.%
Jun 08 08:32 | 4239  92.0% | 101.00   2h09m |     76.42    82485    n.a.%
Jun 08 08:33 | 4243  92.1% | 103.04   2h10m |     74.90    82485    n.a.%
Jun 08 08:35 | 4248  92.2% | 106.41   2h13m |     72.53    82485    n.a.%
Jun 08 08:37 | 4251  92.3% | 121.13   2h29m |     63.72    82485    n.a.%
Jun 08 08:39 | 4255  92.4% | 138.16   2h48m |     55.86    82485    n.a.%
Jun 08 08:41 | 4260  92.5% | 126.93   2h32m |     60.80    82485    n.a.%
Jun 08 08:43 | 4263  92.6% | 123.10   2h25m |     62.70    82485    n.a.%
Jun 08 08:46 | 4264  92.7% | 136.71   2h39m |     56.45    82485    n.a.%
Jun 08 08:48 | 4276  92.8% | 115.38   2h12m |     66.89    82485    n.a.%
Jun 08 08:50 | 4279  92.9% | 110.41   2h05m |     69.90    82485    n.a.%
Jun 08 08:51 | 4284  93.0% | 107.27   1h59m |     71.95    82485    n.a.%
Jun 08 08:53 | 4288  93.1% | 111.00   2h02m |     69.53    82485    n.a.%
Jun 08 08:55 | 4291  93.2% | 103.59   1h52m |     74.51    82485    n.a.%
Jun 08 08:57 | 4299  93.3% | 105.74   1h52m |     72.99    82485    n.a.%
Jun 08 08:59 | 4308  93.4% | 117.05   2h02m |     65.94    82485    n.a.%
Jun 08 09:01 | 4315  93.5% | 118.86   2h02m |     64.93    82485    n.a.%
Jun 08 09:03 | 4320  93.6% | 119.65   2h01m |     64.51    82485    n.a.%
Jun 08 09:04 | 4323  93.8% | 111.40   1h51m |     69.28    82485    n.a.%
Jun 08 09:06 | 4335  93.9% | 107.32   1h45m |     71.91    82485    n.a.%
2026-06-08 09:08:55 (1808): wrapper (7.24.26018): starting
2026-06-08 09:08:55 (1808): wrapper: running mfaktc-win-64.exe (-d 0)
2026-06-08 09:08:55 (1808): wrapper: created child process 8168
mfaktc v0.24.0 (64-bit build)

Compile-time options
  THREADS_PER_BLOCK         256
  SIEVE_SIZE_LIMIT          32 kiB
  SIEVE_SIZE                193154 bits
  SIEVE_SPLIT               250
  MORE_CLASSES              enabled

Runtime options
  SievePrimes               25000
  SievePrimesAdjust         1
  SievePrimesMin            5000
  SievePrimesMax            100000
  NumStreams                3
  CPUStreams                3
  GridSize                  3
  GPU sieving               enabled
  GPUSievePrimes            82486
  GPUSieveSize              512 Mib
  GPUSieveProcessSize       16 Kib
  Checkpoints               enabled
  CheckpointDelay           60 s
  WorkFileAddDelay          600 s
  Stages                    disabled
  StopAfterFactor           bit level
  PrintMode                 compact
  Logging                   disabled
  V5UserID                  (none)
  ComputerID                (none)
  AllowSleep                yes
Warning: Cannot read LegacyResultsTxt from mfaktc.ini, set to 0 by default
  LegacyResultsTxt          no
  TimeStampInResults        no
Warning: Cannot read TimestampOnSameLine from mfaktc.ini, set to 0 by default
  TimestampOnSameLine       no
Warning: Cannot read ResultsFileTimestampInterval from mfaktc.ini, set to 1 by default

CUDA version info
  binary compiled for CUDA  12.8
  CUDA runtime version      12.8
  CUDA driver version       13.0

CUDA device info
  name                      NVIDIA GeForce MX350
  compute capability        6.1
  max threads per block     1024
  max shared memory per MP  98304 bytes
  number of multiprocessors 5
  clock rate (CUDA cores)   1468 MHz
  memory clock rate:        3504 MHz
  memory bus width:         64 bits

Automatic parameters
  threads per grid          655360
  GPUSievePrimes (adjusted) 82486
  GPUsieve minimum exponent 1055144

running a simple self-test...
Self-test statistics
  number of tests           104
  successful tests          104

self-test PASSED!

got assignment: exp=178464281 bit_min=76 bit_max=77 (85.75 GHz-days)
Starting trial factoring M178464281 from 2^76 to 2^77 (85.75 GHz-days)
 k_min =  211689037439880
 k_max =  423378074887233
Using GPU kernel "barrett87_mul32_gs"

found a valid checkpoint file!
  last finished class was: 4335
  no factors found so far.
  previous work took 92607811 ms

Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Jun 08 09:09 | 4336  94.0% | 35.247  34m04s |    218.97    82485    n.a.%
Jun 08 09:10 | 4339  94.1% | 37.422  35m33s |    206.24    82485    n.a.%
Jun 08 09:10 | 4348  94.2% | 45.518  42m29s |    169.56    82485    n.a.%
Jun 08 09:11 | 4351  94.3% | 52.748  48m21s |    146.32    82485    n.a.%
Jun 08 09:13 | 4356  94.4% | 100.18   1h30m |     77.04    82485    n.a.%
Jun 08 09:15 | 4360  94.5% | 119.25   1h45m |     64.72    82485    n.a.%
Jun 08 09:17 | 4363  94.6% | 117.74   1h42m |     65.55    82485    n.a.%
Jun 08 09:19 | 4368  94.7% | 116.46   1h38m |     66.27    82485    n.a.%
Jun 08 09:21 | 4371  94.8% | 126.08   1h45m |     61.22    82485    n.a.%
Jun 08 09:23 | 4375  94.9% | 105.89   1h26m |     72.89    82485    n.a.%
Jun 08 09:24 | 4383  95.0% | 102.05   1h21m |     75.63    82485    n.a.%
Jun 08 09:26 | 4384  95.1% | 105.48   1h22m |     73.17    82485    n.a.%
Jun 08 09:28 | 4395  95.2% | 120.21   1h32m |     64.20    82485    n.a.%
Jun 08 09:30 | 4396  95.3% | 114.95   1h26m |     67.14    82485    n.a.%
Jun 08 09:32 | 4404  95.4% | 125.22   1h31m |     61.64    82485    n.a.%
Jun 08 09:34 | 4411  95.5% | 119.88   1h25m |     64.38    82485    n.a.%
Jun 08 09:36 | 4416  95.6% | 106.75   1h14m |     72.30    82485    n.a.%
Jun 08 09:38 | 4419  95.7% | 103.38   1h10m |     74.66    82485    n.a.%
Jun 08 09:39 | 4420  95.8% | 104.37   1h09m |     73.95    82485    n.a.%
Jun 08 09:41 | 4423  95.9% | 102.27   1h06m |     75.46    82485    n.a.%
Jun 08 09:43 | 4428  96.0% | 106.85   1h07m |     72.23    82485    n.a.%
Jun 08 09:45 | 4431  96.1% | 122.71   1h15m |     62.90    82485    n.a.%
2026-06-08 09:50:01 (17508): wrapper (7.24.26018): starting
2026-06-08 09:50:01 (17508): wrapper: running mfaktc-win-64.exe (-d 0)
2026-06-08 09:50:01 (17508): wrapper: created child process 3624
mfaktc v0.24.0 (64-bit build)

Compile-time options
  THREADS_PER_BLOCK         256
  SIEVE_SIZE_LIMIT          32 kiB
  SIEVE_SIZE                193154 bits
  SIEVE_SPLIT               250
  MORE_CLASSES              enabled

Runtime options
  SievePrimes               25000
  SievePrimesAdjust         1
  SievePrimesMin            5000
  SievePrimesMax            100000
  NumStreams                3
  CPUStreams                3
  GridSize                  3
  GPU sieving               enabled
  GPUSievePrimes            82486
  GPUSieveSize              512 Mib
  GPUSieveProcessSize       16 Kib
  Checkpoints               enabled
  CheckpointDelay           60 s
  WorkFileAddDelay          600 s
  Stages                    disabled
  StopAfterFactor           bit level
  PrintMode                 compact
  Logging                   disabled
  V5UserID                  (none)
  ComputerID                (none)
  AllowSleep                yes
Warning: Cannot read LegacyResultsTxt from mfaktc.ini, set to 0 by default
  LegacyResultsTxt          no
  TimeStampInResults        no
Warning: Cannot read TimestampOnSameLine from mfaktc.ini, set to 0 by default
  TimestampOnSameLine       no
Warning: Cannot read ResultsFileTimestampInterval from mfaktc.ini, set to 1 by default

CUDA version info
  binary compiled for CUDA  12.8
  CUDA runtime version      12.8
  CUDA driver version       13.0

CUDA device info
  name                      NVIDIA GeForce MX350
  compute capability        6.1
  max threads per block     1024
  max shared memory per MP  98304 bytes
  number of multiprocessors 5
  clock rate (CUDA cores)   1468 MHz
  memory clock rate:        3504 MHz
  memory bus width:         64 bits

Automatic parameters
  threads per grid          655360
  GPUSievePrimes (adjusted) 82486
  GPUsieve minimum exponent 1055144

running a simple self-test...
Self-test statistics
  number of tests           104
  successful tests          104

self-test PASSED!

got assignment: exp=178464281 bit_min=76 bit_max=77 (85.75 GHz-days)
Starting trial factoring M178464281 from 2^76 to 2^77 (85.75 GHz-days)
 k_min =  211689037439880
 k_max =  423378074887233
Using GPU kernel "barrett87_mul32_gs"

found a valid checkpoint file!
  last finished class was: 4431
  no factors found so far.
  previous work took 94798450 ms

Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Jun 08 09:50 | 4435  96.2% | 34.133  20m29s |    226.11    82485    n.a.%
Jun 08 09:51 | 4440  96.4% | 37.638  21m57s |    205.06    82485    n.a.%
Jun 08 09:52 | 4444  96.5% | 44.366  25m08s |    173.96    82485    n.a.%
Jun 08 09:52 | 4455  96.6% | 49.616  27m17s |    155.55    82485    n.a.%
Jun 08 09:54 | 4456  96.7% | 76.598  40m51s |    100.76    82485    n.a.%
Jun 08 09:54 | 4459  96.8% | 35.679  18m26s |    216.32    82485    n.a.%
Jun 08 09:55 | 4468  96.9% | 39.025  19m31s |    197.77    82485    n.a.%
Jun 08 09:56 | 4479  97.0% | 47.509  22m58s |    162.45    82485    n.a.%
Jun 08 09:57 | 4480  97.1% | 54.131  25m16s |    142.58    82485    n.a.%
Jun 08 09:58 | 4483  97.2% | 86.582  38m58s |     89.14    82485    n.a.%
Jun 08 10:00 | 4488  97.3% | 139.41   1h00m |     55.36    82485    n.a.%
Jun 08 10:03 | 4491  97.4% | 136.95  57m04s |     56.35    82485    n.a.%
Jun 08 10:04 | 4495  97.5% | 112.79  45m07s |     68.43    82485    n.a.%
Jun 08 10:06 | 4500  97.6% | 119.19  45m41s |     64.76    82485    n.a.%
Jun 08 10:08 | 4503  97.7% | 111.72  40m58s |     69.08    82485    n.a.%
Jun 08 10:10 | 4504  97.8% | 119.53  41m50s |     64.57    82485    n.a.%
Jun 08 10:12 | 4515  97.9% | 115.55  38m31s |     66.79    82485    n.a.%
Jun 08 10:14 | 4516  98.0% | 121.48  38m28s |     63.53    82485    n.a.%
Jun 08 10:16 | 4519  98.1% | 126.55  37m58s |     60.99    82485    n.a.%
Jun 08 10:19 | 4524  98.2% | 134.95  38m14s |     57.19    82485    n.a.%
Jun 08 10:21 | 4528  98.3% | 117.20  31m15s |     65.85    82485    n.a.%
Jun 08 10:23 | 4536  98.4% | 117.22  29m18s |     65.84    82485    n.a.%
Jun 08 10:24 | 4539  98.5% | 115.78  27m01s |     66.66    82485    n.a.%
Jun 08 10:26 | 4540  98.6% | 107.34  23m15s |     71.90    82485    n.a.%
Jun 08 10:28 | 4543  98.8% | 119.13  23m50s |     64.79    82485    n.a.%
Jun 08 10:30 | 4551  98.9% | 126.34  23m10s |     61.09    82485    n.a.%
Jun 08 10:32 | 4560  99.0% | 127.09  21m11s |     60.73    82485    n.a.%
Jun 08 10:35 | 4563  99.1% | 131.41  19m43s |     58.73    82485    n.a.%
Jun 08 10:37 | 4579  99.2% | 126.92  16m55s |     60.81    82485    n.a.%
Jun 08 10:39 | 4584  99.3% | 117.94  13m46s |     65.44    82485    n.a.%
Jun 08 10:41 | 4588  99.4% | 125.18  12m31s |     61.65    82485    n.a.%
Jun 08 10:43 | 4591  99.5% | 118.15   9m51s |     65.33    82485    n.a.%
Jun 08 10:45 | 4596  99.6% | 119.83   7m59s |     64.41    82485    n.a.%
Jun 08 10:47 | 4599  99.7% | 118.96   5m57s |     64.88    82485    n.a.%
Jun 08 10:49 | 4600  99.8% | 132.32   4m25s |     58.33    82485    n.a.%
Jun 08 10:51 | 4603  99.9% | 115.44   1m55s |     66.86    82485    n.a.%
Jun 08 10:53 | 4615 100.0% | 121.34   0m00s |     63.60    82485    n.a.%

no factor for M178464281 from 2^76 to 2^77
tf(): time spent since restart:   0d  1h  3m 21.425s
      estimated total time spent: 1d  3h 23m 51.567s

ERROR: get_next_assignment(): no valid assignment found in "worktodo.txt"
2026-06-08 10:53:26 (17508): mfaktc-win-64.exe exited; CPU time 8.843750
2026-06-08 10:53:26 (17508): called boinc_finish(0)

</stderr_txt>
]]>


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