Task 55744635
| Name | TF_76-77_163-178M_wu_46821_0 |
| Workunit | 50220307 |
| Created | 24 May 2026, 17:50:21 UTC |
| Sent | 6 Jun 2026, 13:44:23 UTC |
| Report deadline | 12 Jun 2026, 13:44:23 UTC |
| Received | 8 Jun 2026, 18:53:30 UTC |
| Server state | Over |
| Outcome | Success |
| Client state | Done |
| Exit status | 0 (0x0) |
| Computer ID | 247112 |
| Run time | 1 hours 3 min 5 sec |
| CPU time | 8 sec |
| Validate state | Valid |
| Credit | 45,000.00 |
| Device peak FLOPS | 415.35 GFLOPS |
| Application version | TF v0.49 (cuda128) |
| Peak working set size | 239.60 MB |
| Peak swap size | 251.61 MB |
| Peak disk usage | 5.07 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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