Task 50825048
| Name | TF_75-76_871-883M_wu_80128_0 |
| Workunit | 46102018 |
| Created | 20 Mar 2026, 10:59:36 UTC |
| Sent | 21 Mar 2026, 21:42:22 UTC |
| Report deadline | 27 Mar 2026, 3:42:22 UTC |
| Received | 22 Mar 2026, 13:03:31 UTC |
| Server state | Over |
| Outcome | Success |
| Client state | Done |
| Exit status | 0 (0x0) |
| Computer ID | 8066 |
| Run time | 1 min 36 sec |
| CPU time | 1 sec |
| Validate state | Valid |
| Credit | 5,000.00 |
| Device peak FLOPS | 2,457.22 GFLOPS |
| Application version | TF v0.49 (cuda128) |
| Peak working set size | 129.95 MB |
| Peak swap size | 324.86 MB |
| Peak disk usage | 5.05 MB |
Stderr output
<core_client_version>7.16.20</core_client_version>
<![CDATA[
<stderr_txt>
2.9% | 0.490 2m07s | 1603.35 82485 n.a.%
Mar 22 20:32 | 3371 73.0% | 0.490 2m07s | 1603.35 82485 n.a.%
Mar 22 20:32 | 3372 73.1% | 0.490 2m06s | 1603.35 82485 n.a.%
Mar 22 20:32 | 3375 73.2% | 0.491 2m06s | 1600.09 82485 n.a.%
Mar 22 20:32 | 3380 73.3% | 0.492 2m06s | 1596.84 82485 n.a.%
Mar 22 20:32 | 3383 73.4% | 0.496 2m06s | 1583.96 82485 n.a.%
2026-03-22 20:33:11 (27828): wrapper (7.24.26018): starting
2026-03-22 20:33:11 (27828): wrapper: running mfaktc-win-64.exe (-d 0)
2026-03-22 20:33:11 (27828): wrapper: created child process 21516
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 GTX 1660 Ti
compute capability 7.5
max threads per block 1024
max shared memory per MP 65536 bytes
number of multiprocessors 24
clock rate (CUDA cores) 1815 MHz
memory clock rate: 6001 MHz
memory bus width: 192 bits
Automatic parameters
threads per grid 786432
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=876591073 bit_min=75 bit_max=76 (8.73 GHz-days)
Starting trial factoring M876591073 from 2^75 to 2^76 (8.73 GHz-days)
k_min = 21548777430180
k_max = 43097554865194
Using GPU kernel "barrett76_mul32_gs"
found a valid checkpoint file!
last finished class was: 3107
found 2 factors so far: 41190491097808534842911 59904327376069820230289
previous work took 316461 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Mar 22 20:33 | 3108 67.6% | 0.510 2m39s | 1540.48 82485 n.a.%
Mar 22 20:33 | 3116 67.7% | 0.477 2m28s | 1647.05 82485 n.a.%
Mar 22 20:33 | 3120 67.8% | 0.477 2m27s | 1647.05 82485 n.a.%
Mar 22 20:33 | 3128 67.9% | 0.481 2m28s | 1633.35 82485 n.a.%
Mar 22 20:33 | 3131 68.0% | 0.480 2m27s | 1636.76 82485 n.a.%
Mar 22 20:33 | 3135 68.1% | 0.485 2m28s | 1619.88 82485 n.a.%
Mar 22 20:33 | 3140 68.2% | 0.481 2m27s | 1633.35 82485 n.a.%
Mar 22 20:33 | 3143 68.3% | 0.481 2m26s | 1633.35 82485 n.a.%
Mar 22 20:33 | 3147 68.4% | 0.481 2m26s | 1633.35 82485 n.a.%
Mar 22 20:33 | 3152 68.5% | 0.482 2m26s | 1629.96 82485 n.a.%
Mar 22 20:33 | 3155 68.6% | 0.483 2m25s | 1626.59 82485 n.a.%
Mar 22 20:33 | 3168 68.8% | 0.481 2m24s | 1633.35 82485 n.a.%
Mar 22 20:33 | 3171 68.9% | 0.482 2m24s | 1629.96 82485 n.a.%
Mar 22 20:33 | 3176 69.0% | 0.483 2m24s | 1626.59 82485 n.a.%
Mar 22 20:33 | 3180 69.1% | 0.479 2m22s | 1640.17 82485 n.a.%
Mar 22 20:33 | 3183 69.2% | 0.483 2m23s | 1626.59 82485 n.a.%
Mar 22 20:33 | 3191 69.3% | 0.483 2m22s | 1626.59 82485 n.a.%
Mar 22 20:33 | 3192 69.4% | 0.500 2m27s | 1571.29 82485 n.a.%
Mar 22 20:33 | 3203 69.5% | 0.488 2m23s | 1609.92 82485 n.a.%
Mar 22 20:33 | 3207 69.6% | 0.484 2m21s | 1623.23 82485 n.a.%
Mar 22 20:33 | 3212 69.7% | 0.482 2m20s | 1629.96 82485 n.a.%
Mar 22 20:33 | 3215 69.8% | 0.482 2m20s | 1629.96 82485 n.a.%
Mar 22 20:33 | 3227 69.9% | 0.482 2m19s | 1629.96 82485 n.a.%
Mar 22 20:33 | 3228 70.0% | 0.486 2m20s | 1616.55 82485 n.a.%
Mar 22 20:33 | 3231 70.1% | 0.482 2m18s | 1629.96 82485 n.a.%
Mar 22 20:33 | 3236 70.2% | 0.483 2m18s | 1626.59 82485 n.a.%
Mar 22 20:33 | 3240 70.3% | 0.483 2m18s | 1626.59 82485 n.a.%
Mar 22 20:33 | 3243 70.4% | 0.483 2m17s | 1626.59 82485 n.a.%
Mar 22 20:33 | 3248 70.5% | 0.485 2m17s | 1619.88 82485 n.a.%
Mar 22 20:33 | 3252 70.6% | 0.486 2m17s | 1616.55 82485 n.a.%
Mar 22 20:33 | 3260 70.7% | 0.485 2m16s | 1619.88 82485 n.a.%
Mar 22 20:33 | 3263 70.8% | 0.486 2m16s | 1616.55 82485 n.a.%
Mar 22 20:33 | 3267 70.9% | 0.484 2m15s | 1623.23 82485 n.a.%
Mar 22 20:33 | 3275 71.0% | 0.486 2m15s | 1616.55 82485 n.a.%
Mar 22 20:33 | 3276 71.1% | 0.486 2m15s | 1616.55 82485 n.a.%
Mar 22 20:33 | 3287 71.2% | 0.485 2m14s | 1619.88 82485 n.a.%
Mar 22 20:33 | 3291 71.4% | 0.485 2m13s | 1619.88 82485 n.a.%
Mar 22 20:33 | 3296 71.5% | 0.487 2m13s | 1613.23 82485 n.a.%
Mar 22 20:33 | 3303 71.6% | 0.485 2m12s | 1619.88 82485 n.a.%
Mar 22 20:33 | 3308 71.7% | 0.486 2m12s | 1616.55 82485 n.a.%
Mar 22 20:33 | 3311 71.8% | 0.485 2m11s | 1619.88 82485 n.a.%
Mar 22 20:33 | 3312 71.9% | 0.487 2m11s | 1613.23 82485 n.a.%
Mar 22 20:33 | 3315 72.0% | 0.484 2m10s | 1623.23 82485 n.a.%
Mar 22 20:33 | 3320 72.1% | 0.485 2m10s | 1619.88 82485 n.a.%
Mar 22 20:33 | 3323 72.2% | 0.485 2m09s | 1619.88 82485 n.a.%
Mar 22 20:33 | 3327 72.3% | 0.487 2m10s | 1613.23 82485 n.a.%
Mar 22 20:33 | 3336 72.4% | 0.485 2m09s | 1619.88 82485 n.a.%
Mar 22 20:33 | 3347 72.5% | 0.486 2m08s | 1616.55 82485 n.a.%
Mar 22 20:33 | 3348 72.6% | 0.486 2m08s | 1616.55 82485 n.a.%
Mar 22 20:33 | 3351 72.7% | 0.486 2m07s | 1616.55 82485 n.a.%
Mar 22 20:33 | 3360 72.8% | 0.484 2m06s | 1623.23 82485 n.a.%
Mar 22 20:33 | 3368 72.9% | 0.488 2m07s | 1609.92 82485 n.a.%
Mar 22 20:33 | 3371 73.0% | 0.487 2m06s | 1613.23 82485 n.a.%
Mar 22 20:33 | 3372 73.1% | 0.486 2m05s | 1616.55 82485 n.a.%
Mar 22 20:33 | 3375 73.2% | 0.485 2m05s | 1619.88 82485 n.a.%
Mar 22 20:33 | 3380 73.3% | 0.488 2m05s | 1609.92 82485 n.a.%
Mar 22 20:33 | 3383 73.4% | 0.487 2m04s | 1613.23 82485 n.a.%
Mar 22 20:33 | 3392 73.5% | 0.486 2m03s | 1616.55 82485 n.a.%
Mar 22 20:33 | 3395 73.6% | 0.488 2m03s | 1609.92 82485 n.a.%
Mar 22 20:33 | 3396 73.8% | 0.486 2m02s | 1616.55 82485 n.a.%
Mar 22 20:33 | 3407 73.9% | 0.487 2m02s | 1613.23 82485 n.a.%
Mar 22 20:33 | 3408 74.0% | 0.487 2m02s | 1613.23 82485 n.a.%
Mar 22 20:33 | 3411 74.1% | 0.485 2m01s | 1619.88 82485 n.a.%
Mar 22 20:33 | 3416 74.2% | 0.487 2m01s | 1613.23 82485 n.a.%
Mar 22 20:33 | 3423 74.3% | 0.487 2m00s | 1613.23 82485 n.a.%
Mar 22 20:33 | 3428 74.4% | 0.486 2m00s | 1616.55 82485 n.a.%
Mar 22 20:33 | 3432 74.5% | 0.517 2m07s | 1519.62 82485 n.a.%
Mar 22 20:33 | 3435 74.6% | 0.485 1m58s | 1619.88 82485 n.a.%
Mar 22 20:33 | 3443 74.7% | 0.486 1m58s | 1616.55 82485 n.a.%
Mar 22 20:33 | 3452 74.8% | 0.487 1m58s | 1613.23 82485 n.a.%
Mar 22 20:33 | 3455 74.9% | 0.487 1m57s | 1613.23 82485 n.a.%
Mar 22 20:33 | 3456 75.0% | 0.486 1m57s | 1616.55 82485 n.a.%
Mar 22 20:33 | 3467 75.1% | 0.486 1m56s | 1616.55 82485 n.a.%
Mar 22 20:33 | 3471 75.2% | 0.486 1m56s | 1616.55 82485 n.a.%
Mar 22 20:33 | 3476 75.3% | 0.487 1m55s | 1613.23 82485 n.a.%
Mar 22 20:33 | 3480 75.4% | 0.486 1m55s | 1616.55 82485 n.a.%
Mar 22 20:33 | 3483 75.5% | 0.488 1m55s | 1609.92 82485 n.a.%
Mar 22 20:33 | 3488 75.6% | 0.486 1m54s | 1616.55 82485 n.a.%
Mar 22 20:33 | 3491 75.7% | 0.491 1m54s | 1600.09 82485 n.a.%
Mar 22 20:33 | 3492 75.8% | 0.488 1m53s | 1609.92 82485 n.a.%
Mar 22 20:33 | 3495 75.9% | 0.491 1m53s | 1600.09 82485 n.a.%
Mar 22 20:33 | 3500 76.0% | 0.488 1m52s | 1609.92 82485 n.a.%
Mar 22 20:33 | 3507 76.1% | 0.489 1m52s | 1606.63 82485 n.a.%
Mar 22 20:33 | 3512 76.2% | 0.490 1m52s | 1603.35 82485 n.a.%
Mar 22 20:33 | 3515 76.4% | 0.491 1m51s | 1600.09 82485 n.a.%
2026-03-22 20:47:32 (24180): wrapper (7.24.26018): starting
2026-03-22 20:47:32 (24180): wrapper: running mfaktc-win-64.exe (-d 0)
2026-03-22 20:47:32 (24180): wrapper: created child process 12820
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 GTX 1660 Ti
compute capability 7.5
max threads per block 1024
max shared memory per MP 65536 bytes
number of multiprocessors 24
clock rate (CUDA cores) 1815 MHz
memory clock rate: 6001 MHz
memory bus width: 192 bits
Automatic parameters
threads per grid 786432
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=876591073 bit_min=75 bit_max=76 (8.73 GHz-days)
Starting trial factoring M876591073 from 2^75 to 2^76 (8.73 GHz-days)
k_min = 21548777430180
k_max = 43097554865194
Using GPU kernel "barrett76_mul32_gs"
found a valid checkpoint file!
last finished class was: 3107
found 2 factors so far: 41190491097808534842911 59904327376069820230289
previous work took 316461 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Mar 22 20:47 | 3108 67.6% | 0.537 2m47s | 1463.02 82485 n.a.%
Mar 22 20:47 | 3116 67.7% | 0.510 2m38s | 1540.48 82485 n.a.%
Mar 22 20:47 | 3120 67.8% | 0.472 2m26s | 1664.50 82485 n.a.%
Mar 22 20:47 | 3128 67.9% | 0.476 2m27s | 1650.51 82485 n.a.%
Mar 22 20:47 | 3131 68.0% | 0.472 2m25s | 1664.50 82485 n.a.%
Mar 22 20:47 | 3135 68.1% | 0.477 2m26s | 1647.05 82485 n.a.%
Mar 22 20:47 | 3140 68.2% | 0.476 2m25s | 1650.51 82485 n.a.%
Mar 22 20:47 | 3143 68.3% | 0.511 2m35s | 1537.46 82485 n.a.%
Mar 22 20:47 | 3147 68.4% | 0.477 2m25s | 1647.05 82485 n.a.%
Mar 22 20:47 | 3152 68.5% | 0.476 2m24s | 1650.51 82485 n.a.%
Mar 22 20:47 | 3155 68.6% | 0.477 2m24s | 1647.05 82485 n.a.%
Mar 22 20:47 | 3168 68.8% | 0.477 2m23s | 1647.05 82485 n.a.%
Mar 22 20:47 | 3171 68.9% | 0.479 2m23s | 1640.17 82485 n.a.%
Mar 22 20:47 | 3176 69.0% | 0.478 2m22s | 1643.60 82485 n.a.%
Mar 22 20:47 | 3180 69.1% | 0.479 2m22s | 1640.17 82485 n.a.%
Mar 22 20:47 | 3183 69.2% | 0.476 2m21s | 1650.51 82485 n.a.%
Mar 22 20:47 | 3191 69.3% | 0.479 2m21s | 1640.17 82485 n.a.%
Mar 22 20:47 | 3192 69.4% | 0.478 2m21s | 1643.60 82485 n.a.%
Mar 22 20:47 | 3203 69.5% | 0.477 2m20s | 1647.05 82485 n.a.%
Mar 22 20:47 | 3207 69.6% | 0.478 2m20s | 1643.60 82485 n.a.%
Mar 22 20:47 | 3212 69.7% | 0.478 2m19s | 1643.60 82485 n.a.%
Mar 22 20:47 | 3215 69.8% | 0.476 2m18s | 1650.51 82485 n.a.%
Mar 22 20:47 | 3227 69.9% | 0.481 2m19s | 1633.35 82485 n.a.%
Mar 22 20:47 | 3228 70.0% | 0.478 2m18s | 1643.60 82485 n.a.%
Mar 22 20:47 | 3231 70.1% | 0.479 2m17s | 1640.17 82485 n.a.%
Mar 22 20:47 | 3236 70.2% | 0.475 2m16s | 1653.99 82485 n.a.%
Mar 22 20:47 | 3240 70.3% | 0.478 2m16s | 1643.60 82485 n.a.%
Mar 22 20:47 | 3243 70.4% | 0.478 2m16s | 1643.60 82485 n.a.%
Mar 22 20:47 | 3248 70.5% | 0.481 2m16s | 1633.35 82485 n.a.%
Mar 22 20:47 | 3252 70.6% | 0.479 2m15s | 1640.17 82485 n.a.%
Mar 22 20:47 | 3260 70.7% | 0.480 2m15s | 1636.76 82485 n.a.%
Mar 22 20:47 | 3263 70.8% | 0.481 2m15s | 1633.35 82485 n.a.%
Mar 22 20:47 | 3267 70.9% | 0.480 2m14s | 1636.76 82485 n.a.%
Mar 22 20:47 | 3275 71.0% | 0.482 2m14s | 1629.96 82485 n.a.%
Mar 22 20:47 | 3276 71.1% | 0.479 2m13s | 1640.17 82485 n.a.%
Mar 22 20:47 | 3287 71.2% | 0.481 2m13s | 1633.35 82485 n.a.%
Mar 22 20:47 | 3291 71.4% | 0.481 2m12s | 1633.35 82485 n.a.%
Mar 22 20:47 | 3296 71.5% | 0.482 2m12s | 1629.96 82485 n.a.%
Mar 22 20:47 | 3303 71.6% | 0.480 2m11s | 1636.76 82485 n.a.%
Mar 22 20:47 | 3308 71.7% | 0.482 2m11s | 1629.96 82485 n.a.%
Mar 22 20:47 | 3311 71.8% | 0.482 2m11s | 1629.96 82485 n.a.%
Mar 22 20:47 | 3312 71.9% | 0.483 2m10s | 1626.59 82485 n.a.%
Mar 22 20:47 | 3315 72.0% | 0.479 2m09s | 1640.17 82485 n.a.%
Mar 22 20:47 | 3320 72.1% | 0.509 2m16s | 1543.50 82485 n.a.%
Mar 22 20:47 | 3323 72.2% | 0.481 2m08s | 1633.35 82485 n.a.%
Mar 22 20:47 | 3327 72.3% | 0.482 2m08s | 1629.96 82485 n.a.%
Mar 22 20:47 | 3336 72.4% | 0.481 2m07s | 1633.35 82485 n.a.%
Mar 22 20:47 | 3347 72.5% | 0.482 2m07s | 1629.96 82485 n.a.%
Mar 22 20:47 | 3348 72.6% | 0.481 2m07s | 1633.35 82485 n.a.%
Mar 22 20:47 | 3351 72.7% | 0.482 2m06s | 1629.96 82485 n.a.%
Mar 22 20:47 | 3360 72.8% | 0.482 2m06s | 1629.96 82485 n.a.%
Mar 22 20:47 | 3368 72.9% | 0.483 2m06s | 1626.59 82485 n.a.%
Mar 22 20:47 | 3371 73.0% | 0.480 2m04s | 1636.76 82485 n.a.%
Mar 22 20:47 | 3372 73.1% | 0.483 2m05s | 1626.59 82485 n.a.%
Mar 22 20:48 | 3375 73.2% | 0.483 2m04s | 1626.59 82485 n.a.%
Mar 22 20:48 | 3380 73.3% | 0.481 2m03s | 1633.35 82485 n.a.%
Mar 22 20:48 | 3383 73.4% | 0.482 2m03s | 1629.96 82485 n.a.%
Mar 22 20:48 | 3392 73.5% | 0.482 2m02s | 1629.96 82485 n.a.%
Mar 22 20:48 | 3395 73.6% | 0.481 2m02s | 1633.35 82485 n.a.%
Mar 22 20:48 | 3396 73.8% | 0.503 2m07s | 1561.91 82485 n.a.%
Mar 22 20:48 | 3407 73.9% | 0.482 2m01s | 1629.96 82485 n.a.%
Mar 22 20:48 | 3408 74.0% | 0.486 2m02s | 1616.55 82485 n.a.%
Mar 22 20:48 | 3411 74.1% | 0.484 2m01s | 1623.23 82485 n.a.%
Mar 22 20:48 | 3416 74.2% | 0.485 2m00s | 1619.88 82485 n.a.%
Mar 22 20:48 | 3423 74.3% | 0.484 2m00s | 1623.23 82485 n.a.%
Mar 22 20:48 | 3428 74.4% | 0.483 1m59s | 1626.59 82485 n.a.%
Mar 22 20:48 | 3432 74.5% | 0.484 1m59s | 1623.23 82485 n.a.%
Mar 22 20:48 | 3435 74.6% | 0.485 1m58s | 1619.88 82485 n.a.%
Mar 22 20:48 | 3443 74.7% | 0.486 1m58s | 1616.55 82485 n.a.%
Mar 22 20:48 | 3452 74.8% | 0.484 1m57s | 1623.23 82485 n.a.%
Mar 22 20:48 | 3455 74.9% | 0.485 1m57s | 1619.88 82485 n.a.%
Mar 22 20:48 | 3456 75.0% | 0.485 1m56s | 1619.88 82485 n.a.%
Mar 22 20:48 | 3467 75.1% | 0.487 1m56s | 1613.23 82485 n.a.%
Mar 22 20:48 | 3471 75.2% | 0.485 1m55s | 1619.88 82485 n.a.%
Mar 22 20:48 | 3476 75.3% | 0.484 1m55s | 1623.23 82485 n.a.%
Mar 22 20:48 | 3480 75.4% | 0.516 2m02s | 1522.56 82485 n.a.%
2026-03-22 20:52:50 (18312): wrapper (7.24.26018): starting
2026-03-22 20:52:50 (18312): wrapper: running mfaktc-win-64.exe (-d 0)
2026-03-22 20:52:50 (18312): wrapper: created child process 27868
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 GTX 1660 Ti
compute capability 7.5
max threads per block 1024
max shared memory per MP 65536 bytes
number of multiprocessors 24
clock rate (CUDA cores) 1815 MHz
memory clock rate: 6001 MHz
memory bus width: 192 bits
Automatic parameters
threads per grid 786432
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=876591073 bit_min=75 bit_max=76 (8.73 GHz-days)
Starting trial factoring M876591073 from 2^75 to 2^76 (8.73 GHz-days)
k_min = 21548777430180
k_max = 43097554865194
Using GPU kernel "barrett76_mul32_gs"
found a valid checkpoint file!
last finished class was: 3107
found 2 factors so far: 41190491097808534842911 59904327376069820230289
previous work took 316461 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Mar 22 20:52 | 3108 67.6% | 0.523 2m43s | 1502.19 82485 n.a.%
Mar 22 20:52 | 3116 67.7% | 0.473 2m27s | 1660.98 82485 n.a.%
Mar 22 20:52 | 3120 67.8% | 0.475 2m27s | 1653.99 82485 n.a.%
Mar 22 20:52 | 3128 67.9% | 0.476 2m27s | 1650.51 82485 n.a.%
Mar 22 20:52 | 3131 68.0% | 0.477 2m26s | 1647.05 82485 n.a.%
Mar 22 20:52 | 3135 68.1% | 0.473 2m25s | 1660.98 82485 n.a.%
Mar 22 20:52 | 3140 68.2% | 0.475 2m25s | 1653.99 82485 n.a.%
Mar 22 20:52 | 3143 68.3% | 0.478 2m25s | 1643.60 82485 n.a.%
Mar 22 20:52 | 3147 68.4% | 0.476 2m24s | 1650.51 82485 n.a.%
Mar 22 20:52 | 3152 68.5% | 0.480 2m25s | 1636.76 82485 n.a.%
Mar 22 20:52 | 3155 68.6% | 0.476 2m23s | 1650.51 82485 n.a.%
Mar 22 20:52 | 3168 68.8% | 0.479 2m24s | 1640.17 82485 n.a.%
Mar 22 20:52 | 3171 68.9% | 0.478 2m23s | 1643.60 82485 n.a.%
Mar 22 20:52 | 3176 69.0% | 0.476 2m22s | 1650.51 82485 n.a.%
Mar 22 20:52 | 3180 69.1% | 0.479 2m22s | 1640.17 82485 n.a.%
Mar 22 20:52 | 3183 69.2% | 0.477 2m21s | 1647.05 82485 n.a.%
Mar 22 20:53 | 3191 69.3% | 0.481 2m22s | 1633.35 82485 n.a.%
Mar 22 20:53 | 3192 69.4% | 0.476 2m20s | 1650.51 82485 n.a.%
Mar 22 20:53 | 3203 69.5% | 0.481 2m21s | 1633.35 82485 n.a.%
Mar 22 20:53 | 3207 69.6% | 0.480 2m20s | 1636.76 82485 n.a.%
Mar 22 20:53 | 3212 69.7% | 0.478 2m19s | 1643.60 82485 n.a.%
Mar 22 20:53 | 3215 69.8% | 0.478 2m19s | 1643.60 82485 n.a.%
Mar 22 20:53 | 3227 69.9% | 0.480 2m19s | 1636.76 82485 n.a.%
Mar 22 20:53 | 3228 70.0% | 0.479 2m18s | 1640.17 82485 n.a.%
Mar 22 20:53 | 3231 70.1% | 0.480 2m18s | 1636.76 82485 n.a.%
Mar 22 20:53 | 3236 70.2% | 0.478 2m17s | 1643.60 82485 n.a.%
Mar 22 20:53 | 3240 70.3% | 0.478 2m16s | 1643.60 82485 n.a.%
Mar 22 20:53 | 3243 70.4% | 0.483 2m17s | 1626.59 82485 n.a.%
Mar 22 20:53 | 3248 70.5% | 0.512 2m25s | 1534.46 82485 n.a.%
Mar 22 20:53 | 3252 70.6% | 0.540 2m32s | 1454.89 82485 n.a.%
2026-03-22 20:54:25 (26200): wrapper (7.24.26018): starting
2026-03-22 20:54:25 (26200): wrapper: running mfaktc-win-64.exe (-d 0)
2026-03-22 20:54:25 (26200): wrapper: created child process 21932
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 GTX 1660 Ti
compute capability 7.5
max threads per block 1024
max shared memory per MP 65536 bytes
number of multiprocessors 24
clock rate (CUDA cores) 1815 MHz
memory clock rate: 6001 MHz
memory bus width: 192 bits
Automatic parameters
threads per grid 786432
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=876591073 bit_min=75 bit_max=76 (8.73 GHz-days)
Starting trial factoring M876591073 from 2^75 to 2^76 (8.73 GHz-days)
k_min = 21548777430180
k_max = 43097554865194
Using GPU kernel "barrett76_mul32_gs"
found a valid checkpoint file!
last finished class was: 3107
found 2 factors so far: 41190491097808534842911 59904327376069820230289
previous work took 316461 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Mar 22 20:54 | 3108 67.6% | 0.505 2m37s | 1555.73 82485 n.a.%
Mar 22 20:54 | 3116 67.7% | 0.478 2m28s | 1643.60 82485 n.a.%
Mar 22 20:54 | 3120 67.8% | 0.480 2m28s | 1636.76 82485 n.a.%
Mar 22 20:54 | 3128 67.9% | 0.479 2m28s | 1640.17 82485 n.a.%
Mar 22 20:54 | 3131 68.0% | 0.480 2m27s | 1636.76 82485 n.a.%
Mar 22 20:54 | 3135 68.1% | 0.480 2m27s | 1636.76 82485 n.a.%
Mar 22 20:54 | 3140 68.2% | 0.479 2m26s | 1640.17 82485 n.a.%
Mar 22 20:54 | 3143 68.3% | 0.482 2m27s | 1629.96 82485 n.a.%
Mar 22 20:54 | 3147 68.4% | 0.484 2m27s | 1623.23 82485 n.a.%
Mar 22 20:54 | 3152 68.5% | 0.481 2m25s | 1633.35 82485 n.a.%
Mar 22 20:54 | 3155 68.6% | 0.487 2m27s | 1613.23 82485 n.a.%
Mar 22 20:54 | 3168 68.8% | 0.488 2m26s | 1609.92 82485 n.a.%
Mar 22 20:54 | 3171 68.9% | 0.485 2m25s | 1619.88 82485 n.a.%
Mar 22 20:54 | 3176 69.0% | 0.485 2m25s | 1619.88 82485 n.a.%
Mar 22 20:54 | 3180 69.1% | 0.483 2m23s | 1626.59 82485 n.a.%
Mar 22 20:54 | 3183 69.2% | 0.506 2m30s | 1552.65 82485 n.a.%
Mar 22 20:54 | 3191 69.3% | 0.489 2m24s | 1606.63 82485 n.a.%
Mar 22 20:54 | 3192 69.4% | 0.487 2m23s | 1613.23 82485 n.a.%
Mar 22 20:54 | 3203 69.5% | 0.489 2m23s | 1606.63 82485 n.a.%
Mar 22 20:54 | 3207 69.6% | 0.593 2m53s | 1324.86 82485 n.a.%
Mar 22 20:54 | 3212 69.7% | 0.487 2m22s | 1613.23 82485 n.a.%
Mar 22 20:54 | 3215 69.8% | 0.487 2m21s | 1613.23 82485 n.a.%
Mar 22 20:54 | 3227 69.9% | 0.483 2m20s | 1626.59 82485 n.a.%
Mar 22 20:54 | 3228 70.0% | 0.484 2m19s | 1623.23 82485 n.a.%
Mar 22 20:54 | 3231 70.1% | 0.482 2m18s | 1629.96 82485 n.a.%
Mar 22 20:54 | 3236 70.2% | 0.483 2m18s | 1626.59 82485 n.a.%
Mar 22 20:54 | 3240 70.3% | 0.485 2m18s | 1619.88 82485 n.a.%
Mar 22 20:54 | 3243 70.4% | 0.481 2m17s | 1633.35 82485 n.a.%
Mar 22 20:54 | 3248 70.5% | 0.484 2m17s | 1623.23 82485 n.a.%
Mar 22 20:54 | 3252 70.6% | 0.483 2m16s | 1626.59 82485 n.a.%
Mar 22 20:54 | 3260 70.7% | 0.483 2m16s | 1626.59 82485 n.a.%
Mar 22 20:54 | 3263 70.8% | 0.484 2m16s | 1623.23 82485 n.a.%
Mar 22 20:54 | 3267 70.9% | 0.484 2m15s | 1623.23 82485 n.a.%
Mar 22 20:54 | 3275 71.0% | 0.488 2m16s | 1609.92 82485 n.a.%
Mar 22 20:54 | 3276 71.1% | 0.498 2m18s | 1577.60 82485 n.a.%
Mar 22 20:54 | 3287 71.2% | 0.509 2m20s | 1543.50 82485 n.a.%
2026-03-22 20:57:52 (21912): wrapper (7.24.26018): starting
2026-03-22 20:57:52 (21912): wrapper: running mfaktc-win-64.exe (-d 0)
2026-03-22 20:57:53 (21912): wrapper: created child process 7544
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 GTX 1660 Ti
compute capability 7.5
max threads per block 1024
max shared memory per MP 65536 bytes
number of multiprocessors 24
clock rate (CUDA cores) 1815 MHz
memory clock rate: 6001 MHz
memory bus width: 192 bits
Automatic parameters
threads per grid 786432
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=876591073 bit_min=75 bit_max=76 (8.73 GHz-days)
Starting trial factoring M876591073 from 2^75 to 2^76 (8.73 GHz-days)
k_min = 21548777430180
k_max = 43097554865194
Using GPU kernel "barrett76_mul32_gs"
found a valid checkpoint file!
last finished class was: 3107
found 2 factors so far: 41190491097808534842911 59904327376069820230289
previous work took 316461 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Mar 22 20:57 | 3108 67.6% | 0.525 2m43s | 1496.46 82485 n.a.%
2026-03-22 21:01:06 (28012): wrapper (7.24.26018): starting
2026-03-22 21:01:06 (28012): wrapper: running mfaktc-win-64.exe (-d 0)
2026-03-22 21:01:06 (28012): wrapper: created child process 7544
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 GTX 1660 Ti
compute capability 7.5
max threads per block 1024
max shared memory per MP 65536 bytes
number of multiprocessors 24
clock rate (CUDA cores) 1815 MHz
memory clock rate: 6001 MHz
memory bus width: 192 bits
Automatic parameters
threads per grid 786432
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=876591073 bit_min=75 bit_max=76 (8.73 GHz-days)
Starting trial factoring M876591073 from 2^75 to 2^76 (8.73 GHz-days)
k_min = 21548777430180
k_max = 43097554865194
Using GPU kernel "barrett76_mul32_gs"
found a valid checkpoint file!
last finished class was: 3107
found 2 factors so far: 41190491097808534842911 59904327376069820230289
previous work took 316461 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Mar 22 21:01 | 3108 67.6% | 0.530 2m45s | 1482.35 82485 n.a.%
Mar 22 21:01 | 3116 67.7% | 0.506 2m37s | 1552.65 82485 n.a.%
Mar 22 21:01 | 3120 67.8% | 0.510 2m38s | 1540.48 82485 n.a.%
Mar 22 21:01 | 3128 67.9% | 0.506 2m36s | 1552.65 82485 n.a.%
Mar 22 21:01 | 3131 68.0% | 0.508 2m36s | 1546.54 82485 n.a.%
Mar 22 21:01 | 3135 68.1% | 0.507 2m35s | 1549.59 82485 n.a.%
Mar 22 21:01 | 3140 68.2% | 0.509 2m35s | 1543.50 82485 n.a.%
Mar 22 21:01 | 3143 68.3% | 0.507 2m34s | 1549.59 82485 n.a.%
Mar 22 21:01 | 3147 68.4% | 0.508 2m34s | 1546.54 82485 n.a.%
Mar 22 21:01 | 3152 68.5% | 0.508 2m33s | 1546.54 82485 n.a.%
Mar 22 21:01 | 3155 68.6% | 0.508 2m33s | 1546.54 82485 n.a.%
Mar 22 21:01 | 3168 68.8% | 0.663 3m19s | 1184.98 82485 n.a.%
Mar 22 21:01 | 3171 68.9% | 0.507 2m32s | 1549.59 82485 n.a.%
Mar 22 21:01 | 3176 69.0% | 0.509 2m32s | 1543.50 82485 n.a.%
Mar 22 21:01 | 3180 69.1% | 0.509 2m31s | 1543.50 82485 n.a.%
Mar 22 21:01 | 3183 69.2% | 0.510 2m31s | 1540.48 82485 n.a.%
Mar 22 21:01 | 3191 69.3% | 0.506 2m29s | 1552.65 82485 n.a.%
Mar 22 21:01 | 3192 69.4% | 0.509 2m30s | 1543.50 82485 n.a.%
Mar 22 21:01 | 3203 69.5% | 0.508 2m29s | 1546.54 82485 n.a.%
Mar 22 21:01 | 3207 69.6% | 0.506 2m28s | 1552.65 82485 n.a.%
Mar 22 21:01 | 3212 69.7% | 0.509 2m28s | 1543.50 82485 n.a.%
Mar 22 21:01 | 3215 69.8% | 0.509 2m28s | 1543.50 82485 n.a.%
Mar 22 21:01 | 3227 69.9% | 0.507 2m27s | 1549.59 82485 n.a.%
Mar 22 21:01 | 3228 70.0% | 0.507 2m26s | 1549.59 82485 n.a.%
Mar 22 21:01 | 3231 70.1% | 0.506 2m25s | 1552.65 82485 n.a.%
Mar 22 21:01 | 3236 70.2% | 0.512 2m26s | 1534.46 82485 n.a.%
Mar 22 21:01 | 3240 70.3% | 0.512 2m26s | 1534.46 82485 n.a.%
Mar 22 21:01 | 3243 70.4% | 0.510 2m25s | 1540.48 82485 n.a.%
Mar 22 21:01 | 3248 70.5% | 0.513 2m25s | 1531.47 82485 n.a.%
Mar 22 21:01 | 3252 70.6% | 0.511 2m24s | 1537.46 82485 n.a.%
Mar 22 21:01 | 3260 70.7% | 0.513 2m24s | 1531.47 82485 n.a.%
Mar 22 21:01 | 3263 70.8% | 0.510 2m23s | 1540.48 82485 n.a.%
Mar 22 21:01 | 3267 70.9% | 0.512 2m23s | 1534.46 82485 n.a.%
Mar 22 21:01 | 3275 71.0% | 0.517 2m24s | 1519.62 82485 n.a.%
Mar 22 21:01 | 3276 71.1% | 0.515 2m23s | 1525.52 82485 n.a.%
Mar 22 21:01 | 3287 71.2% | 0.515 2m22s | 1525.52 82485 n.a.%
Mar 22 21:01 | 3291 71.4% | 0.512 2m21s | 1534.46 82485 n.a.%
Mar 22 21:01 | 3296 71.5% | 0.518 2m22s | 1516.69 82485 n.a.%
Mar 22 21:01 | 3303 71.6% | 0.514 2m20s | 1528.49 82485 n.a.%
Mar 22 21:01 | 3308 71.7% | 0.516 2m20s | 1522.56 82485 n.a.%
Mar 22 21:01 | 3311 71.8% | 0.513 2m19s | 1531.47 82485 n.a.%
Mar 22 21:01 | 3312 71.9% | 0.511 2m18s | 1537.46 82485 n.a.%
Mar 22 21:01 | 3315 72.0% | 0.514 2m18s | 1528.49 82485 n.a.%
Mar 22 21:01 | 3320 72.1% | 0.512 2m17s | 1534.46 82485 n.a.%
Mar 22 21:01 | 3323 72.2% | 0.516 2m18s | 1522.56 82485 n.a.%
Mar 22 21:01 | 3327 72.3% | 0.514 2m17s | 1528.49 82485 n.a.%
Mar 22 21:01 | 3336 72.4% | 0.514 2m16s | 1528.49 82485 n.a.%
Mar 22 21:01 | 3347 72.5% | 0.512 2m15s | 1534.46 82485 n.a.%
Mar 22 21:01 | 3348 72.6% | 0.513 2m15s | 1531.47 82485 n.a.%
Mar 22 21:01 | 3351 72.7% | 0.515 2m15s | 1525.52 82485 n.a.%
Mar 22 21:01 | 3360 72.8% | 0.513 2m14s | 1531.47 82485 n.a.%
Mar 22 21:01 | 3368 72.9% | 0.516 2m14s | 1522.56 82485 n.a.%
Mar 22 21:01 | 3371 73.0% | 0.516 2m14s | 1522.56 82485 n.a.%
Mar 22 21:01 | 3372 73.1% | 0.514 2m13s | 1528.49 82485 n.a.%
Mar 22 21:01 | 3375 73.2% | 0.530 2m16s | 1482.35 82485 n.a.%
Mar 22 21:01 | 3380 73.3% | 0.507 2m10s | 1549.59 82485 n.a.%
Mar 22 21:01 | 3383 73.4% | 0.514 2m11s | 1528.49 82485 n.a.%
Mar 22 21:01 | 3392 73.5% | 0.512 2m10s | 1534.46 82485 n.a.%
Mar 22 21:01 | 3395 73.6% | 0.512 2m10s | 1534.46 82485 n.a.%
Mar 22 21:01 | 3396 73.8% | 0.516 2m10s | 1522.56 82485 n.a.%
Mar 22 21:01 | 3407 73.9% | 0.515 2m09s | 1525.52 82485 n.a.%
Mar 22 21:01 | 3408 74.0% | 0.517 2m09s | 1519.62 82485 n.a.%
Mar 22 21:01 | 3411 74.1% | 0.514 2m08s | 1528.49 82485 n.a.%
Mar 22 21:01 | 3416 74.2% | 0.516 2m08s | 1522.56 82485 n.a.%
Mar 22 21:01 | 3423 74.3% | 0.517 2m08s | 1519.62 82485 n.a.%
Mar 22 21:01 | 3428 74.4% | 0.516 2m07s | 1522.56 82485 n.a.%
Mar 22 21:01 | 3432 74.5% | 0.515 2m06s | 1525.52 82485 n.a.%
Mar 22 21:01 | 3435 74.6% | 0.517 2m06s | 1519.62 82485 n.a.%
Mar 22 21:01 | 3443 74.7% | 0.514 2m05s | 1528.49 82485 n.a.%
Mar 22 21:01 | 3452 74.8% | 0.513 2m04s | 1531.47 82485 n.a.%
Mar 22 21:01 | 3455 74.9% | 0.514 2m04s | 1528.49 82485 n.a.%
Mar 22 21:01 | 3456 75.0% | 0.513 2m03s | 1531.47 82485 n.a.%
Mar 22 21:01 | 3467 75.1% | 0.516 2m03s | 1522.56 82485 n.a.%
Mar 22 21:01 | 3471 75.2% | 0.516 2m03s | 1522.56 82485 n.a.%
Mar 22 21:01 | 3476 75.3% | 0.516 2m02s | 1522.56 82485 n.a.%
Mar 22 21:01 | 3480 75.4% | 0.513 2m01s | 1531.47 82485 n.a.%
Mar 22 21:01 | 3483 75.5% | 0.517 2m01s | 1519.62 82485 n.a.%
Mar 22 21:01 | 3488 75.6% | 0.515 2m01s | 1525.52 82485 n.a.%
Mar 22 21:01 | 3491 75.7% | 0.519 2m01s | 1513.76 82485 n.a.%
Mar 22 21:01 | 3492 75.8% | 0.518 2m00s | 1516.69 82485 n.a.%
Mar 22 21:01 | 3495 75.9% | 0.517 1m59s | 1519.62 82485 n.a.%
Mar 22 21:01 | 3500 76.0% | 0.517 1m59s | 1519.62 82485 n.a.%
Mar 22 21:01 | 3507 76.1% | 0.517 1m58s | 1519.62 82485 n.a.%
Mar 22 21:01 | 3512 76.2% | 0.518 1m58s | 1516.69 82485 n.a.%
Mar 22 21:01 | 3515 76.4% | 0.517 1m57s | 1519.62 82485 n.a.%
Mar 22 21:01 | 3516 76.5% | 0.515 1m56s | 1525.52 82485 n.a.%
Mar 22 21:01 | 3527 76.6% | 0.520 1m57s | 1510.85 82485 n.a.%
Mar 22 21:01 | 3528 76.7% | 0.519 1m56s | 1513.76 82485 n.a.%
Mar 22 21:01 | 3536 76.8% | 0.517 1m55s | 1519.62 82485 n.a.%
Mar 22 21:01 | 3540 76.9% | 0.517 1m55s | 1519.62 82485 n.a.%
Mar 22 21:01 | 3543 77.0% | 0.521 1m55s | 1507.95 82485 n.a.%
Mar 22 21:01 | 3548 77.1% | 0.516 1m54s | 1522.56 82485 n.a.%
Mar 22 21:01 | 3551 77.2% | 0.518 1m53s | 1516.69 82485 n.a.%
Mar 22 21:01 | 3555 77.3% | 0.521 1m54s | 1507.95 82485 n.a.%
Mar 22 21:01 | 3560 77.4% | 0.518 1m52s | 1516.69 82485 n.a.%
Mar 22 21:01 | 3567 77.5% | 0.526 1m54s | 1493.62 82485 n.a.%
Mar 22 21:01 | 3572 77.6% | 0.530 1m54s | 1482.35 82485 n.a.%
Mar 22 21:01 | 3575 77.7% | 0.527 1m53s | 1490.78 82485 n.a.%
Mar 22 21:01 | 3576 77.8% | 0.581 2m04s | 1352.23 82485 n.a.%
Mar 22 21:01 | 3588 77.9% | 0.520 1m50s | 1510.85 82485 n.a.%
Mar 22 21:02 | 3591 78.0% | 0.524 1m51s | 1499.32 82485 n.a.%
Mar 22 21:02 | 3600 78.1% | 0.525 1m50s | 1496.46 82485 n.a.%
Mar 22 21:02 | 3603 78.2% | 0.523 1m49s | 1502.19 82485 n.a.%
Mar 22 21:02 | 3611 78.3% | 0.523 1m49s | 1502.19 82485 n.a.%
Mar 22 21:02 | 3612 78.4% | 0.523 1m48s | 1502.19 82485 n.a.%
Mar 22 21:02 | 3620 78.5% | 0.525 1m48s | 1496.46 82485 n.a.%
Mar 22 21:02 | 3623 78.6% | 0.525 1m48s | 1496.46 82485 n.a.%
Mar 22 21:02 | 3627 78.8% | 0.523 1m47s | 1502.19 82485 n.a.%
Mar 22 21:02 | 3632 78.9% | 0.524 1m46s | 1499.32 82485 n.a.%
Mar 22 21:02 | 3635 79.0% | 0.525 1m46s | 1496.46 82485 n.a.%
Mar 22 21:02 | 3647 79.1% | 0.524 1m45s | 1499.32 82485 n.a.%
Mar 22 21:02 | 3648 79.2% | 0.524 1m45s | 1499.32 82485 n.a.%
Mar 22 21:02 | 3656 79.3% | 0.528 1m45s | 1487.96 82485 n.a.%
Mar 22 21:02 | 3660 79.4% | 0.525 1m44s | 1496.46 82485 n.a.%
Mar 22 21:02 | 3663 79.5% | 0.527 1m44s | 1490.78 82485 n.a.%
Mar 22 21:02 | 3668 79.6% | 0.528 1m43s | 1487.96 82485 n.a.%
Mar 22 21:02 | 3672 79.7% | 0.525 1m42s | 1496.46 82485 n.a.%
Mar 22 21:02 | 3675 79.8% | 0.526 1m42s | 1493.62 82485 n.a.%
Mar 22 21:02 | 3680 79.9% | 0.529 1m42s | 1485.15 82485 n.a.%
Mar 22 21:02 | 3683 80.0% | 0.532 1m42s | 1476.77 82485 n.a.%
Mar 22 21:02 | 3687 80.1% | 0.527 1m41s | 1490.78 82485 n.a.%
Mar 22 21:02 | 3696 80.2% | 0.525 1m40s | 1496.46 82485 n.a.%
Mar 22 21:02 | 3707 80.3% | 0.530 1m40s | 1482.35 82485 n.a.%
Mar 22 21:02 | 3708 80.4% | 0.526 1m39s | 1493.62 82485 n.a.%
Mar 22 21:02 | 3711 80.5% | 0.531 1m39s | 1479.55 82485 n.a.%
Mar 22 21:02 | 3716 80.6% | 0.524 1m37s | 1499.32 82485 n.a.%
Mar 22 21:02 | 3723 80.7% | 0.527 1m37s | 1490.78 82485 n.a.%
Mar 22 21:02 | 3731 80.8% | 0.527 1m37s | 1490.78 82485 n.a.%
Mar 22 21:02 | 3732 80.9% | 0.528 1m37s | 1487.96 82485 n.a.%
Mar 22 21:02 | 3735 81.0% | 0.526 1m36s | 1493.62 82485 n.a.%
Mar 22 21:02 | 3740 81.1% | 0.531 1m36s | 1479.55 82485 n.a.%
Mar 22 21:02 | 3743 81.2% | 0.529 1m35s | 1485.15 82485 n.a.%
Mar 22 21:02 | 3747 81.4% | 0.524 1m34s | 1499.32 82485 n.a.%
Mar 22 21:02 | 3752 81.5% | 0.527 1m34s | 1490.78 82485 n.a.%
Mar 22 21:02 | 3756 81.6% | 0.528 1m33s | 1487.96 82485 n.a.%
Mar 22 21:02 | 3767 81.7% | 0.527 1m33s | 1490.78 82485 n.a.%
Mar 22 21:02 | 3768 81.8% | 0.525 1m32s | 1496.46 82485 n.a.%
Mar 22 21:02 | 3771 81.9% | 0.524 1m31s | 1499.32 82485 n.a.%
Mar 22 21:02 | 3780 82.0% | 0.528 1m31s | 1487.96 82485 n.a.%
Mar 22 21:02 | 3788 82.1% | 0.529 1m31s | 1485.15 82485 n.a.%
Mar 22 21:02 | 3791 82.2% | 0.527 1m30s | 1490.78 82485 n.a.%
Mar 22 21:02 | 3792 82.3% | 0.626 1m46s | 1255.02 82485 n.a.%
Mar 22 21:02 | 3795 82.4% | 0.522 1m28s | 1505.06 82485 n.a.%
Mar 22 21:02 | 3800 82.5% | 0.528 1m29s | 1487.96 82485 n.a.%
Mar 22 21:02 | 3803 82.6% | 0.530 1m29s | 1482.35 82485 n.a.%
Mar 22 21:02 | 3807 82.7% | 0.526 1m27s | 1493.62 82485 n.a.%
Mar 22 21:02 | 3812 82.8% | 0.527 1m27s | 1490.78 82485 n.a.%
Mar 22 21:02 | 3815 82.9% | 0.527 1m26s | 1490.78 82485 n.a.%
Mar 22 21:02 | 3828 83.0% | 0.528 1m26s | 1487.96 82485 n.a.%
Mar 22 21:02 | 3831 83.1% | 0.526 1m25s | 1493.62 82485 n.a.%
Mar 22 21:02 | 3836 83.2% | 0.528 1m25s | 1487.96 82485 n.a.%
Mar 22 21:02 | 3840 83.3% | 0.525 1m24s | 1496.46 82485 n.a.%
Mar 22 21:02 | 3843 83.4% | 0.525 1m23s | 1496.46 82485 n.a.%
Mar 22 21:02 | 3848 83.5% | 0.526 1m23s | 1493.62 82485 n.a.%
Mar 22 21:02 | 3851 83.6% | 0.528 1m23s | 1487.96 82485 n.a.%
Mar 22 21:02 | 3852 83.8% | 0.524 1m22s | 1499.32 82485 n.a.%
Mar 22 21:02 | 3855 83.9% | 0.525 1m21s | 1496.46 82485 n.a.%
Mar 22 21:02 | 3863 84.0% | 0.525 1m21s | 1496.46 82485 n.a.%
Mar 22 21:02 | 3872 84.1% | 0.525 1m20s | 1496.46 82485 n.a.%
Mar 22 21:02 | 3875 84.2% | 0.527 1m20s | 1490.78 82485 n.a.%
Mar 22 21:02 | 3876 84.3% | 0.525 1m19s | 1496.46 82485 n.a.%
Mar 22 21:02 | 3887 84.4% | 0.526 1m19s | 1493.62 82485 n.a.%
Mar 22 21:02 | 3891 84.5% | 0.529 1m19s | 1485.15 82485 n.a.%
Mar 22 21:02 | 3896 84.6% | 0.529 1m18s | 1485.15 82485 n.a.%
Mar 22 21:02 | 3900 84.7% | 0.525 1m17s | 1496.46 82485 n.a.%
Mar 22 21:02 | 3903 84.8% | 0.526 1m17s | 1493.62 82485 n.a.%
Mar 22 21:02 | 3908 84.9% | 0.525 1m16s | 1496.46 82485 n.a.%
Mar 22 21:02 | 3911 85.0% | 0.529 1m16s | 1485.15 82485 n.a.%
Mar 22 21:02 | 3912 85.1% | 0.526 1m15s | 1493.62 82485 n.a.%
Mar 22 21:02 | 3920 85.2% | 0.525 1m15s | 1496.46 82485 n.a.%
Mar 22 21:02 | 3927 85.3% | 0.527 1m14s | 1490.78 82485 n.a.%
Mar 22 21:02 | 3932 85.4% | 0.527 1m14s | 1490.78 82485 n.a.%
Mar 22 21:02 | 3935 85.5% | 0.522 1m13s | 1505.06 82485 n.a.%
Mar 22 21:02 | 3936 85.6% | 0.530 1m13s | 1482.35 82485 n.a.%
Mar 22 21:02 | 3947 85.7% | 0.528 1m12s | 1487.96 82485 n.a.%
Mar 22 21:02 | 3956 85.8% | 0.529 1m12s | 1485.15 82485 n.a.%
Mar 22 21:02 | 3960 85.9% | 0.525 1m11s | 1496.46 82485 n.a.%
Mar 22 21:02 | 3963 86.0% | 0.526 1m10s | 1493.62 82485 n.a.%
2026-03-22 21:03:42 (11092): wrapper (7.24.26018): starting
2026-03-22 21:03:42 (11092): wrapper: running mfaktc-win-64.exe (-d 0)
2026-03-22 21:03:43 (11092): wrapper: created child process 15584
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 GTX 1660 Ti
compute capability 7.5
max threads per block 1024
max shared memory per MP 65536 bytes
number of multiprocessors 24
clock rate (CUDA cores) 1815 MHz
memory clock rate: 6001 MHz
memory bus width: 192 bits
Automatic parameters
threads per grid 786432
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=876591073 bit_min=75 bit_max=76 (8.73 GHz-days)
Starting trial factoring M876591073 from 2^75 to 2^76 (8.73 GHz-days)
k_min = 21548777430180
k_max = 43097554865194
Using GPU kernel "barrett76_mul32_gs"
found a valid checkpoint file!
last finished class was: 3668
found 2 factors so far: 41190491097808534842911 59904327376069820230289
previous work took 376476 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Mar 22 21:03 | 3672 79.7% | 0.497 1m37s | 1580.77 82485 n.a.%
Mar 22 21:03 | 3675 79.8% | 0.464 1m30s | 1693.20 82485 n.a.%
Mar 22 21:03 | 3680 79.9% | 0.464 1m30s | 1693.20 82485 n.a.%
Mar 22 21:03 | 3683 80.0% | 0.464 1m29s | 1693.20 82485 n.a.%
Mar 22 21:03 | 3687 80.1% | 0.464 1m29s | 1693.20 82485 n.a.%
Mar 22 21:03 | 3696 80.2% | 0.467 1m29s | 1682.32 82485 n.a.%
Mar 22 21:03 | 3707 80.3% | 0.464 1m28s | 1693.20 82485 n.a.%
Mar 22 21:03 | 3708 80.4% | 0.464 1m27s | 1693.20 82485 n.a.%
Mar 22 21:03 | 3711 80.5% | 0.464 1m27s | 1693.20 82485 n.a.%
Mar 22 21:03 | 3716 80.6% | 0.466 1m27s | 1685.93 82485 n.a.%
Mar 22 21:03 | 3723 80.7% | 0.466 1m26s | 1685.93 82485 n.a.%
Mar 22 21:03 | 3731 80.8% | 0.468 1m26s | 1678.72 82485 n.a.%
Mar 22 21:03 | 3732 80.9% | 0.467 1m25s | 1682.32 82485 n.a.%
Mar 22 21:03 | 3735 81.0% | 0.467 1m25s | 1682.32 82485 n.a.%
Mar 22 21:03 | 3740 81.1% | 0.465 1m24s | 1689.55 82485 n.a.%
Mar 22 21:03 | 3743 81.2% | 0.468 1m24s | 1678.72 82485 n.a.%
Mar 22 21:03 | 3747 81.4% | 0.467 1m24s | 1682.32 82485 n.a.%
Mar 22 21:03 | 3752 81.5% | 0.467 1m23s | 1682.32 82485 n.a.%
Mar 22 21:03 | 3756 81.6% | 0.467 1m23s | 1682.32 82485 n.a.%
Mar 22 21:03 | 3767 81.7% | 0.468 1m22s | 1678.72 82485 n.a.%
Mar 22 21:03 | 3768 81.8% | 0.468 1m22s | 1678.72 82485 n.a.%
Mar 22 21:03 | 3771 81.9% | 0.467 1m21s | 1682.32 82485 n.a.%
Mar 22 21:03 | 3780 82.0% | 0.468 1m21s | 1678.72 82485 n.a.%
Mar 22 21:03 | 3788 82.1% | 0.468 1m20s | 1678.72 82485 n.a.%
Mar 22 21:03 | 3791 82.2% | 0.468 1m20s | 1678.72 82485 n.a.%
Mar 22 21:03 | 3792 82.3% | 0.468 1m20s | 1678.72 82485 n.a.%
Mar 22 21:03 | 3795 82.4% | 0.468 1m19s | 1678.72 82485 n.a.%
Mar 22 21:03 | 3800 82.5% | 0.468 1m19s | 1678.72 82485 n.a.%
Mar 22 21:03 | 3803 82.6% | 0.468 1m18s | 1678.72 82485 n.a.%
Mar 22 21:03 | 3807 82.7% | 0.468 1m18s | 1678.72 82485 n.a.%
Mar 22 21:03 | 3812 82.8% | 0.468 1m17s | 1678.72 82485 n.a.%
Mar 22 21:03 | 3815 82.9% | 0.468 1m17s | 1678.72 82485 n.a.%
Mar 22 21:03 | 3828 83.0% | 0.467 1m16s | 1682.32 82485 n.a.%
Mar 22 21:04 | 3831 83.1% | 0.468 1m16s | 1678.72 82485 n.a.%
Mar 22 21:04 | 3836 83.2% | 0.469 1m16s | 1675.15 82485 n.a.%
Mar 22 21:04 | 3840 83.3% | 0.469 1m15s | 1675.15 82485 n.a.%
Mar 22 21:04 | 3843 83.4% | 0.468 1m14s | 1678.72 82485 n.a.%
Mar 22 21:04 | 3848 83.5% | 0.468 1m14s | 1678.72 82485 n.a.%
Mar 22 21:04 | 3851 83.6% | 0.470 1m14s | 1671.58 82485 n.a.%
Mar 22 21:04 | 3852 83.8% | 0.468 1m13s | 1678.72 82485 n.a.%
Mar 22 21:04 | 3855 83.9% | 0.467 1m12s | 1682.32 82485 n.a.%
Mar 22 21:04 | 3863 84.0% | 0.470 1m12s | 1671.58 82485 n.a.%
Mar 22 21:04 | 3872 84.1% | 0.468 1m12s | 1678.72 82485 n.a.%
Mar 22 21:04 | 3875 84.2% | 0.468 1m11s | 1678.72 82485 n.a.%
Mar 22 21:04 | 3876 84.3% | 0.470 1m11s | 1671.58 82485 n.a.%
Mar 22 21:04 | 3887 84.4% | 0.473 1m11s | 1660.98 82485 n.a.%
Mar 22 21:04 | 3891 84.5% | 0.471 1m10s | 1668.03 82485 n.a.%
Mar 22 21:04 | 3896 84.6% | 0.471 1m10s | 1668.03 82485 n.a.%
Mar 22 21:04 | 3900 84.7% | 0.472 1m09s | 1664.50 82485 n.a.%
Mar 22 21:04 | 3903 84.8% | 0.471 1m09s | 1668.03 82485 n.a.%
Mar 22 21:04 | 3908 84.9% | 0.471 1m08s | 1668.03 82485 n.a.%
Mar 22 21:04 | 3911 85.0% | 0.471 1m08s | 1668.03 82485 n.a.%
Mar 22 21:04 | 3912 85.1% | 0.471 1m07s | 1668.03 82485 n.a.%
Mar 22 21:04 | 3920 85.2% | 0.471 1m07s | 1668.03 82485 n.a.%
Mar 22 21:04 | 3927 85.3% | 0.472 1m07s | 1664.50 82485 n.a.%
Mar 22 21:04 | 3932 85.4% | 0.472 1m06s | 1664.50 82485 n.a.%
Mar 22 21:04 | 3935 85.5% | 0.471 1m05s | 1668.03 82485 n.a.%
Mar 22 21:04 | 3936 85.6% | 0.472 1m05s | 1664.50 82485 n.a.%
Mar 22 21:04 | 3947 85.7% | 0.472 1m05s | 1664.50 82485 n.a.%
Mar 22 21:04 | 3956 85.8% | 0.471 1m04s | 1668.03 82485 n.a.%
Mar 22 21:04 | 3960 85.9% | 0.470 1m03s | 1671.58 82485 n.a.%
Mar 22 21:04 | 3963 86.0% | 0.471 1m03s | 1668.03 82485 n.a.%
Mar 22 21:04 | 3968 86.1% | 0.472 1m03s | 1664.50 82485 n.a.%
Mar 22 21:04 | 3971 86.2% | 0.471 1m02s | 1668.03 82485 n.a.%
Mar 22 21:04 | 3975 86.4% | 0.472 1m02s | 1664.50 82485 n.a.%
Mar 22 21:04 | 3980 86.5% | 0.470 1m01s | 1671.58 82485 n.a.%
Mar 22 21:04 | 3983 86.6% | 0.472 1m01s | 1664.50 82485 n.a.%
Mar 22 21:04 | 3987 86.7% | 0.472 1m00s | 1664.50 82485 n.a.%
Mar 22 21:04 | 3995 86.8% | 0.471 1m00s | 1668.03 82485 n.a.%
Mar 22 21:04 | 3996 86.9% | 0.471 0m59s | 1668.03 82485 n.a.%
Mar 22 21:04 | 4008 87.0% | 0.472 0m59s | 1664.50 82485 n.a.%
Mar 22 21:04 | 4011 87.1% | 0.472 0m59s | 1664.50 82485 n.a.%
Mar 22 21:04 | 4016 87.2% | 0.471 0m58s | 1668.03 82485 n.a.%
Mar 22 21:04 | 4020 87.3% | 0.471 0m57s | 1668.03 82485 n.a.%
Mar 22 21:04 | 4023 87.4% | 0.472 0m57s | 1664.50 82485 n.a.%
Mar 22 21:04 | 4031 87.5% | 0.473 0m57s | 1660.98 82485 n.a.%
Mar 22 21:04 | 4032 87.6% | 0.472 0m56s | 1664.50 82485 n.a.%
Mar 22 21:04 | 4040 87.7% | 0.472 0m56s | 1664.50 82485 n.a.%
Mar 22 21:04 | 4043 87.8% | 0.472 0m55s | 1664.50 82485 n.a.%
Mar 22 21:04 | 4052 87.9% | 0.472 0m55s | 1664.50 82485 n.a.%
Mar 22 21:04 | 4055 88.0% | 0.471 0m54s | 1668.03 82485 n.a.%
Mar 22 21:04 | 4067 88.1% | 0.472 0m54s | 1664.50 82485 n.a.%
Mar 22 21:04 | 4068 88.2% | 0.472 0m53s | 1664.50 82485 n.a.%
Mar 22 21:04 | 4071 88.3% | 0.471 0m53s | 1668.03 82485 n.a.%
Mar 22 21:04 | 4076 88.4% | 0.473 0m53s | 1660.98 82485 n.a.%
Mar 22 21:04 | 4083 88.5% | 0.472 0m52s | 1664.50 82485 n.a.%
Mar 22 21:04 | 4088 88.6% | 0.472 0m51s | 1664.50 82485 n.a.%
Mar 22 21:04 | 4092 88.8% | 0.473 0m51s | 1660.98 82485 n.a.%
Mar 22 21:04 | 4095 88.9% | 0.471 0m50s | 1668.03 82485 n.a.%
Mar 22 21:04 | 4100 89.0% | 0.473 0m50s | 1660.98 82485 n.a.%
Mar 22 21:04 | 4103 89.1% | 0.471 0m49s | 1668.03 82485 n.a.%
Mar 22 21:04 | 4107 89.2% | 0.473 0m49s | 1660.98 82485 n.a.%
Mar 22 21:04 | 4115 89.3% | 0.473 0m49s | 1660.98 82485 n.a.%
Mar 22 21:04 | 4116 89.4% | 0.472 0m48s | 1664.50 82485 n.a.%
Mar 22 21:04 | 4127 89.5% | 0.474 0m48s | 1657.47 82485 n.a.%
Mar 22 21:04 | 4128 89.6% | 0.471 0m47s | 1668.03 82485 n.a.%
Mar 22 21:04 | 4131 89.7% | 0.473 0m47s | 1660.98 82485 n.a.%
Mar 22 21:04 | 4136 89.8% | 0.472 0m46s | 1664.50 82485 n.a.%
Mar 22 21:04 | 4143 89.9% | 0.474 0m46s | 1657.47 82485 n.a.%
Mar 22 21:04 | 4148 90.0% | 0.472 0m45s | 1664.50 82485 n.a.%
Mar 22 21:04 | 4151 90.1% | 0.473 0m45s | 1660.98 82485 n.a.%
Mar 22 21:04 | 4152 90.2% | 0.471 0m44s | 1668.03 82485 n.a.%
Mar 22 21:04 | 4155 90.3% | 0.473 0m44s | 1660.98 82485 n.a.%
Mar 22 21:04 | 4160 90.4% | 0.473 0m44s | 1660.98 82485 n.a.%
Mar 22 21:04 | 4163 90.5% | 0.473 0m43s | 1660.98 82485 n.a.%
Mar 22 21:04 | 4167 90.6% | 0.472 0m42s | 1664.50 82485 n.a.%
Mar 22 21:04 | 4172 90.7% | 0.474 0m42s | 1657.47 82485 n.a.%
Mar 22 21:04 | 4176 90.8% | 0.472 0m42s | 1664.50 82485 n.a.%
Mar 22 21:04 | 4187 90.9% | 0.472 0m41s | 1664.50 82485 n.a.%
Mar 22 21:04 | 4188 91.0% | 0.473 0m41s | 1660.98 82485 n.a.%
Mar 22 21:04 | 4191 91.1% | 0.475 0m40s | 1653.99 82485 n.a.%
Mar 22 21:04 | 4200 91.2% | 0.475 0m40s | 1653.99 82485 n.a.%
Mar 22 21:04 | 4208 91.4% | 0.475 0m39s | 1653.99 82485 n.a.%
Mar 22 21:04 | 4211 91.5% | 0.476 0m39s | 1650.51 82485 n.a.%
Mar 22 21:04 | 4215 91.6% | 0.475 0m38s | 1653.99 82485 n.a.%
Mar 22 21:04 | 4220 91.7% | 0.475 0m38s | 1653.99 82485 n.a.%
Mar 22 21:04 | 4227 91.8% | 0.476 0m38s | 1650.51 82485 n.a.%
Mar 22 21:04 | 4232 91.9% | 0.476 0m37s | 1650.51 82485 n.a.%
Mar 22 21:04 | 4235 92.0% | 0.473 0m36s | 1660.98 82485 n.a.%
Mar 22 21:04 | 4236 92.1% | 0.476 0m36s | 1650.51 82485 n.a.%
Mar 22 21:04 | 4247 92.2% | 0.474 0m36s | 1657.47 82485 n.a.%
Mar 22 21:04 | 4248 92.3% | 0.476 0m35s | 1650.51 82485 n.a.%
Mar 22 21:04 | 4251 92.4% | 0.475 0m35s | 1653.99 82485 n.a.%
Mar 22 21:04 | 4260 92.5% | 0.474 0m34s | 1657.47 82485 n.a.%
Mar 22 21:04 | 4263 92.6% | 0.475 0m34s | 1653.99 82485 n.a.%
Mar 22 21:04 | 4268 92.7% | 0.476 0m33s | 1650.51 82485 n.a.%
Mar 22 21:04 | 4271 92.8% | 0.474 0m33s | 1657.47 82485 n.a.%
Mar 22 21:04 | 4272 92.9% | 0.474 0m32s | 1657.47 82485 n.a.%
Mar 22 21:04 | 4275 93.0% | 0.476 0m32s | 1650.51 82485 n.a.%
Mar 22 21:04 | 4283 93.1% | 0.475 0m31s | 1653.99 82485 n.a.%
Mar 22 21:04 | 4292 93.2% | 0.474 0m31s | 1657.47 82485 n.a.%
Mar 22 21:04 | 4295 93.3% | 0.475 0m30s | 1653.99 82485 n.a.%
Mar 22 21:04 | 4296 93.4% | 0.476 0m30s | 1650.51 82485 n.a.%
Mar 22 21:04 | 4307 93.5% | 0.475 0m29s | 1653.99 82485 n.a.%
Mar 22 21:04 | 4316 93.6% | 0.475 0m29s | 1653.99 82485 n.a.%
Mar 22 21:04 | 4320 93.8% | 0.475 0m29s | 1653.99 82485 n.a.%
Mar 22 21:04 | 4323 93.9% | 0.477 0m28s | 1647.05 82485 n.a.%
Mar 22 21:04 | 4328 94.0% | 0.475 0m28s | 1653.99 82485 n.a.%
Mar 22 21:04 | 4331 94.1% | 0.476 0m27s | 1650.51 82485 n.a.%
Mar 22 21:04 | 4332 94.2% | 0.475 0m27s | 1653.99 82485 n.a.%
Mar 22 21:04 | 4335 94.3% | 0.477 0m26s | 1647.05 82485 n.a.%
Mar 22 21:04 | 4340 94.4% | 0.475 0m26s | 1653.99 82485 n.a.%
Mar 22 21:04 | 4347 94.5% | 0.475 0m25s | 1653.99 82485 n.a.%
Mar 22 21:04 | 4352 94.6% | 0.476 0m25s | 1650.51 82485 n.a.%
Mar 22 21:04 | 4356 94.7% | 0.476 0m24s | 1650.51 82485 n.a.%
Mar 22 21:04 | 4367 94.8% | 0.475 0m24s | 1653.99 82485 n.a.%
Mar 22 21:04 | 4368 94.9% | 0.476 0m23s | 1650.51 82485 n.a.%
Mar 22 21:04 | 4376 95.0% | 0.475 0m23s | 1653.99 82485 n.a.%
Mar 22 21:04 | 4380 95.1% | 0.476 0m22s | 1650.51 82485 n.a.%
Mar 22 21:04 | 4383 95.2% | 0.476 0m22s | 1650.51 82485 n.a.%
Mar 22 21:04 | 4391 95.3% | 0.477 0m21s | 1647.05 82485 n.a.%
Mar 22 21:04 | 4395 95.4% | 0.475 0m21s | 1653.99 82485 n.a.%
Mar 22 21:04 | 4400 95.5% | 0.475 0m20s | 1653.99 82485 n.a.%
Mar 22 21:04 | 4403 95.6% | 0.477 0m20s | 1647.05 82485 n.a.%
Mar 22 21:04 | 4407 95.7% | 0.476 0m20s | 1650.51 82485 n.a.%
Mar 22 21:04 | 4412 95.8% | 0.479 0m19s | 1640.17 82485 n.a.%
Mar 22 21:04 | 4415 95.9% | 0.476 0m19s | 1650.51 82485 n.a.%
Mar 22 21:04 | 4416 96.0% | 0.477 0m18s | 1647.05 82485 n.a.%
Mar 22 21:04 | 4428 96.1% | 0.475 0m18s | 1653.99 82485 n.a.%
Mar 22 21:04 | 4431 96.2% | 0.477 0m17s | 1647.05 82485 n.a.%
Mar 22 21:05 | 4436 96.4% | 0.477 0m17s | 1647.05 82485 n.a.%
Mar 22 21:05 | 4440 96.5% | 0.476 0m16s | 1650.51 82485 n.a.%
Mar 22 21:05 | 4451 96.6% | 0.475 0m16s | 1653.99 82485 n.a.%
Mar 22 21:05 | 4452 96.7% | 0.476 0m15s | 1650.51 82485 n.a.%
Mar 22 21:05 | 4460 96.8% | 0.475 0m15s | 1653.99 82485 n.a.%
Mar 22 21:05 | 4463 96.9% | 0.477 0m14s | 1647.05 82485 n.a.%
Mar 22 21:05 | 4467 97.0% | 0.475 0m14s | 1653.99 82485 n.a.%
Mar 22 21:05 | 4472 97.1% | 0.476 0m13s | 1650.51 82485 n.a.%
Mar 22 21:05 | 4475 97.2% | 0.475 0m13s | 1653.99 82485 n.a.%
Mar 22 21:05 | 4488 97.3% | 0.476 0m12s | 1650.51 82485 n.a.%
Mar 22 21:05 | 4491 97.4% | 0.476 0m12s | 1650.51 82485 n.a.%
Mar 22 21:05 | 4496 97.5% | 0.475 0m11s | 1653.99 82485 n.a.%
Mar 22 21:05 | 4500 97.6% | 0.476 0m11s | 1650.51 82485 n.a.%
Mar 22 21:05 | 4503 97.7% | 0.475 0m10s | 1653.99 82485 n.a.%
Mar 22 21:05 | 4508 97.8% | 0.475 0m10s | 1653.99 82485 n.a.%
Mar 22 21:05 | 4512 97.9% | 0.475 0m10s | 1653.99 82485 n.a.%
Mar 22 21:05 | 4515 98.0% | 0.477 0m09s | 1647.05 82485 n.a.%
Mar 22 21:05 | 4523 98.1% | 0.476 0m09s | 1650.51 82485 n.a.%
Mar 22 21:05 | 4527 98.2% | 0.475 0m08s | 1653.99 82485 n.a.%
Mar 22 21:05 | 4535 98.3% | 0.477 0m08s | 1647.05 82485 n.a.%
Mar 22 21:05 | 4536 98.4% | 0.475 0m07s | 1653.99 82485 n.a.%
Mar 22 21:05 | 4547 98.5% | 0.475 0m07s | 1653.99 82485 n.a.%
Mar 22 21:05 | 4548 98.6% | 0.476 0m06s | 1650.51 82485 n.a.%
Mar 22 21:05 | 4551 98.8% | 0.476 0m06s | 1650.51 82485 n.a.%
Mar 22 21:05 | 4556 98.9% | 0.476 0m05s | 1650.51 82485 n.a.%
Mar 22 21:05 | 4563 99.0% | 0.477 0m05s | 1647.05 82485 n.a.%
Mar 22 21:05 | 4568 99.1% | 0.476 0m04s | 1650.51 82485 n.a.%
Mar 22 21:05 | 4571 99.2% | 0.476 0m04s | 1650.51 82485 n.a.%
Mar 22 21:05 | 4572 99.3% | 0.476 0m03s | 1650.51 82485 n.a.%
Mar 22 21:05 | 4580 99.4% | 0.476 0m03s | 1650.51 82485 n.a.%
Mar 22 21:05 | 4583 99.5% | 0.478 0m02s | 1643.60 82485 n.a.%
Mar 22 21:05 | 4587 99.6% | 0.476 0m02s | 1650.51 82485 n.a.%
Mar 22 21:05 | 4592 99.7% | 0.476 0m01s | 1650.51 82485 n.a.%
Mar 22 21:05 | 4596 99.8% | 0.478 0m01s | 1643.60 82485 n.a.%
Mar 22 21:05 | 4607 99.9% | 0.476 0m00s | 1650.51 82485 n.a.%
Mar 22 21:05 | 4611 100.0% | 0.476 0m00s | 1650.51 82485 n.a.%
found 2 factors for M876591073 from 2^75 to 2^76
tf(): time spent since restart: 1m 32.755s
estimated total time spent: 7m 34.310s
ERROR: get_next_assignment(): no valid assignment found in "worktodo.txt"
2026-03-22 21:05:17 (11092): mfaktc-win-64.exe exited; CPU time 1.750000
2026-03-22 21:05:17 (11092): called boinc_finish(0)
</stderr_txt>
]]>
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