Task 58122679
| Name | TF_76-77_180-193M_wu_6876_0 |
| Workunit | 52310747 |
| Created | 29 Jul 2026, 17:05:40 UTC |
| Sent | 31 Jul 2026, 2:40:48 UTC |
| Report deadline | 6 Aug 2026, 2:40:48 UTC |
| Received | 2 Aug 2026, 15:43:56 UTC |
| Server state | Over |
| Outcome | Success |
| Client state | Done |
| Exit status | 0 (0x0) |
| Computer ID | 254760 |
| Run time | 1 min 36 sec |
| CPU time | 1 sec |
| Validate state | Valid |
| Credit | 42,000.00 |
| Device peak FLOPS | 3,333.52 GFLOPS |
| Application version | TF v0.52 (cuda128) |
| Peak working set size | 123.89 MB |
| Peak swap size | 4,902.20 MB |
| Peak disk usage | 4.25 MB |
Stderr output
<core_client_version>7.24.1</core_client_version>
<![CDATA[
<stderr_txt>
o
binary compiled for CUDA 12.8
CUDA runtime version 12.8
CUDA driver version 13.2
CUDA device info
name NVIDIA GeForce RTX 4060
compute capability 8.9
max threads per block 1024
max shared memory per MP 102400 bytes
number of multiprocessors 24
clock rate (CUDA cores) 2460 MHz
memory clock rate: 8501 MHz
memory bus width: 128 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=190967437 bit_min=76 bit_max=77 (80.14 GHz-days)
Starting trial factoring M190967437 from 2^76 to 2^77 (80.14 GHz-days)
k_min = 197829182064360
k_max = 395658364132070
Using GPU kernel "barrett87_mul32_gs"
found a valid checkpoint file!
last finished class was: 2303
no factors found so far.
previous work took 1382687 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Aug 02 23:32 | 2307 50.1% | 2.883 23m01s | 2501.78 82485 n.a.%
Aug 02 23:32 | 2312 50.2% | 2.855 22m45s | 2526.31 82485 n.a.%
Aug 02 23:32 | 2319 50.3% | 2.875 22m51s | 2508.74 82485 n.a.%
Aug 02 23:32 | 2324 50.4% | 2.862 22m42s | 2520.13 82485 n.a.%
Aug 02 23:32 | 2327 50.5% | 2.847 22m32s | 2533.41 82485 n.a.%
Aug 02 23:32 | 2328 50.6% | 2.884 22m47s | 2500.91 82485 n.a.%
Aug 02 23:32 | 2340 50.7% | 2.868 22m37s | 2514.86 82485 n.a.%
Aug 02 23:32 | 2343 50.8% | 2.870 22m35s | 2513.11 82485 n.a.%
Aug 02 23:32 | 2352 50.9% | 2.874 22m34s | 2509.61 82485 n.a.%
Aug 02 23:32 | 2355 51.0% | 2.876 22m32s | 2507.86 82485 n.a.%
Aug 02 23:32 | 2363 51.1% | 2.888 22m34s | 2497.44 82485 n.a.%
Aug 02 23:32 | 2364 51.2% | 2.866 22m21s | 2516.62 82485 n.a.%
Aug 02 23:32 | 2372 51.4% | 2.893 22m31s | 2493.13 82485 n.a.%
Aug 02 23:32 | 2375 51.5% | 2.878 22m21s | 2506.12 82485 n.a.%
Aug 02 23:32 | 2379 51.6% | 2.898 22m28s | 2488.83 82485 n.a.%
Aug 02 23:32 | 2384 51.7% | 2.862 22m08s | 2520.13 82485 n.a.%
Aug 02 23:32 | 2387 51.8% | 2.891 22m19s | 2494.85 82485 n.a.%
Aug 02 23:32 | 2399 51.9% | 2.902 22m21s | 2485.40 82485 n.a.%
Aug 02 23:32 | 2400 52.0% | 2.891 22m13s | 2494.85 82485 n.a.%
Aug 02 23:32 | 2408 52.1% | 2.900 22m14s | 2487.11 82485 n.a.%
Aug 02 23:33 | 2412 52.2% | 2.889 22m06s | 2496.58 82485 n.a.%
Aug 02 23:33 | 2415 52.3% | 2.894 22m05s | 2492.27 82485 n.a.%
Aug 02 23:33 | 2420 52.4% | 2.896 22m03s | 2490.55 82485 n.a.%
Aug 02 23:33 | 2424 52.5% | 2.892 21m59s | 2493.99 82485 n.a.%
Aug 02 23:33 | 2427 52.6% | 2.874 21m48s | 2509.61 82485 n.a.%
Aug 02 23:33 | 2432 52.7% | 2.879 21m47s | 2505.25 82485 n.a.%
Aug 02 23:33 | 2435 52.8% | 2.889 21m49s | 2496.58 82485 n.a.%
Aug 02 23:33 | 2439 52.9% | 2.886 21m44s | 2499.18 82485 n.a.%
Aug 02 23:33 | 2448 53.0% | 2.895 21m46s | 2491.41 82485 n.a.%
Aug 02 23:33 | 2459 53.1% | 2.874 21m33s | 2509.61 82485 n.a.%
Aug 02 23:33 | 2460 53.2% | 2.898 21m41s | 2488.83 82485 n.a.%
Aug 02 23:33 | 2463 53.3% | 2.897 21m38s | 2489.69 82485 n.a.%
Aug 02 23:33 | 2468 53.4% | 2.896 21m35s | 2490.55 82485 n.a.%
Aug 02 23:33 | 2475 53.5% | 2.875 21m22s | 2508.74 82485 n.a.%
Aug 02 23:33 | 2483 53.6% | 2.900 21m31s | 2487.11 82485 n.a.%
Aug 02 23:33 | 2484 53.8% | 2.891 21m24s | 2494.85 82485 n.a.%
Aug 02 23:33 | 2487 53.9% | 2.876 21m14s | 2507.86 82485 n.a.%
Aug 02 23:33 | 2492 54.0% | 2.909 21m26s | 2479.42 82485 n.a.%
Aug 02 23:33 | 2495 54.1% | 2.883 21m11s | 2501.78 82485 n.a.%
Aug 02 23:33 | 2499 54.2% | 2.887 21m10s | 2498.31 82485 n.a.%
Aug 02 23:33 | 2504 54.3% | 2.885 21m07s | 2500.04 82485 n.a.%
received signal "SIGTERM"
mfaktc will exit once the current class is finished.
press ^C again to exit immediately
Aug 02 23:34 | 2508 54.4% | 2.889 21m05s | 2496.58 82485 n.a.%
2026-08-02 23:36:01 (4060237): wrapper (7.24.26018): starting
2026-08-02 23:36:01 (4060237): wrapper (7.24.26018): starting
2026-08-02 23:36:01 (4060237): wrapper: running ./mfaktc.exe (-d 0)
2026-08-02 23:36:01 (4060237): wrapper: created child process 4060239
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 256 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
LegacyResultsTxt no
TimeStampInResults no
TimestampOnSameLine no
CUDA version info
binary compiled for CUDA 12.8
CUDA runtime version 12.8
CUDA driver version 13.2
CUDA device info
name NVIDIA GeForce RTX 4060
compute capability 8.9
max threads per block 1024
max shared memory per MP 102400 bytes
number of multiprocessors 24
clock rate (CUDA cores) 2460 MHz
memory clock rate: 8501 MHz
memory bus width: 128 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=190967437 bit_min=76 bit_max=77 (80.14 GHz-days)
Starting trial factoring M190967437 from 2^76 to 2^77 (80.14 GHz-days)
k_min = 197829182064360
k_max = 395658364132070
Using GPU kernel "barrett87_mul32_gs"
found a valid checkpoint file!
last finished class was: 2508
no factors found so far.
previous work took 1503804 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Aug 02 23:36 | 2519 54.5% | 2.893 21m04s | 2493.13 82485 n.a.%
Aug 02 23:36 | 2520 54.6% | 2.865 20m49s | 2517.49 82485 n.a.%
Aug 02 23:36 | 2523 54.7% | 2.873 20m50s | 2510.48 82485 n.a.%
Aug 02 23:36 | 2532 54.8% | 2.869 20m45s | 2513.98 82485 n.a.%
Aug 02 23:36 | 2540 54.9% | 2.872 20m44s | 2511.36 82485 n.a.%
Aug 02 23:36 | 2543 55.0% | 2.874 20m42s | 2509.61 82485 n.a.%
Aug 02 23:36 | 2544 55.1% | 2.861 20m33s | 2521.01 82485 n.a.%
Aug 02 23:36 | 2547 55.2% | 2.873 20m35s | 2510.48 82485 n.a.%
Aug 02 23:36 | 2552 55.3% | 2.871 20m32s | 2512.23 82485 n.a.%
Aug 02 23:36 | 2555 55.4% | 2.871 20m29s | 2512.23 82485 n.a.%
Aug 02 23:36 | 2559 55.5% | 2.876 20m28s | 2507.86 82485 n.a.%
Aug 02 23:36 | 2564 55.6% | 2.872 20m23s | 2511.36 82485 n.a.%
Aug 02 23:36 | 2567 55.7% | 2.874 20m21s | 2509.61 82485 n.a.%
Aug 02 23:36 | 2580 55.8% | 2.879 20m21s | 2505.25 82485 n.a.%
Aug 02 23:36 | 2583 55.9% | 2.861 20m10s | 2521.01 82485 n.a.%
Aug 02 23:36 | 2588 56.0% | 2.867 20m10s | 2515.74 82485 n.a.%
Aug 02 23:36 | 2592 56.1% | 2.868 20m07s | 2514.86 82485 n.a.%
Aug 02 23:36 | 2595 56.2% | 2.888 20m13s | 2497.44 82485 n.a.%
Aug 02 23:36 | 2600 56.4% | 2.882 20m08s | 2502.64 82485 n.a.%
Aug 02 23:36 | 2603 56.5% | 2.882 20m05s | 2502.64 82485 n.a.%
Aug 02 23:37 | 2604 56.6% | 2.900 20m09s | 2487.11 82485 n.a.%
Aug 02 23:37 | 2607 56.7% | 2.885 20m00s | 2500.04 82485 n.a.%
Aug 02 23:37 | 2615 56.8% | 2.882 19m56s | 2502.64 82485 n.a.%
Aug 02 23:37 | 2624 56.9% | 2.894 19m58s | 2492.27 82485 n.a.%
Aug 02 23:37 | 2627 57.0% | 2.883 19m51s | 2501.78 82485 n.a.%
Aug 02 23:37 | 2628 57.1% | 2.882 19m47s | 2502.64 82485 n.a.%
Aug 02 23:37 | 2639 57.2% | 2.883 19m45s | 2501.78 82485 n.a.%
Aug 02 23:37 | 2643 57.3% | 2.904 19m51s | 2483.68 82485 n.a.%
Aug 02 23:37 | 2648 57.4% | 2.882 19m39s | 2502.64 82485 n.a.%
Aug 02 23:37 | 2652 57.5% | 2.872 19m32s | 2511.36 82485 n.a.%
Aug 02 23:37 | 2655 57.6% | 2.897 19m39s | 2489.69 82485 n.a.%
Aug 02 23:37 | 2660 57.7% | 2.877 19m28s | 2506.99 82485 n.a.%
Aug 02 23:37 | 2663 57.8% | 2.876 19m25s | 2507.86 82485 n.a.%
Aug 02 23:37 | 2664 57.9% | 2.878 19m23s | 2506.12 82485 n.a.%
Aug 02 23:37 | 2672 58.0% | 2.909 19m32s | 2479.42 82485 n.a.%
Aug 02 23:37 | 2679 58.1% | 2.876 19m16s | 2507.86 82485 n.a.%
Aug 02 23:37 | 2684 58.2% | 2.897 19m22s | 2489.69 82485 n.a.%
Aug 02 23:37 | 2687 58.3% | 2.876 19m10s | 2507.86 82485 n.a.%
Aug 02 23:37 | 2688 58.4% | 2.903 19m18s | 2484.54 82485 n.a.%
Aug 02 23:37 | 2699 58.5% | 2.887 19m09s | 2498.31 82485 n.a.%
Aug 02 23:38 | 2708 58.6% | 2.890 19m07s | 2495.72 82485 n.a.%
Aug 02 23:38 | 2712 58.8% | 2.890 19m04s | 2495.72 82485 n.a.%
Aug 02 23:38 | 2715 58.9% | 2.883 18m59s | 2501.78 82485 n.a.%
Aug 02 23:38 | 2720 59.0% | 2.888 18m58s | 2497.44 82485 n.a.%
Aug 02 23:38 | 2723 59.1% | 2.880 18m52s | 2504.38 82485 n.a.%
Aug 02 23:38 | 2727 59.2% | 2.896 18m55s | 2490.55 82485 n.a.%
Aug 02 23:38 | 2732 59.3% | 2.887 18m49s | 2498.31 82485 n.a.%
Aug 02 23:38 | 2735 59.4% | 2.873 18m40s | 2510.48 82485 n.a.%
Aug 02 23:38 | 2739 59.5% | 2.896 18m47s | 2490.55 82485 n.a.%
Aug 02 23:38 | 2747 59.6% | 2.895 18m43s | 2491.41 82485 n.a.%
Aug 02 23:38 | 2748 59.7% | 2.902 18m43s | 2485.40 82485 n.a.%
Aug 02 23:38 | 2760 59.8% | 2.882 18m32s | 2502.64 82485 n.a.%
Aug 02 23:38 | 2763 59.9% | 2.890 18m33s | 2495.72 82485 n.a.%
Aug 02 23:38 | 2768 60.0% | 2.885 18m28s | 2500.04 82485 n.a.%
Aug 02 23:38 | 2772 60.1% | 2.890 18m27s | 2495.72 82485 n.a.%
Aug 02 23:38 | 2775 60.2% | 2.881 18m21s | 2503.51 82485 n.a.%
Aug 02 23:38 | 2783 60.3% | 2.902 18m26s | 2485.40 82485 n.a.%
Aug 02 23:38 | 2784 60.4% | 2.885 18m16s | 2500.04 82485 n.a.%
Aug 02 23:38 | 2792 60.5% | 2.892 18m16s | 2493.99 82485 n.a.%
Aug 02 23:38 | 2795 60.6% | 2.865 18m03s | 2517.49 82485 n.a.%
Aug 02 23:38 | 2804 60.7% | 2.875 18m04s | 2508.74 82485 n.a.%
Aug 02 23:39 | 2807 60.8% | 2.887 18m06s | 2498.31 82485 n.a.%
Aug 02 23:39 | 2819 60.9% | 2.869 17m56s | 2513.98 82485 n.a.%
Aug 02 23:39 | 2820 61.0% | 2.897 18m03s | 2489.69 82485 n.a.%
Aug 02 23:39 | 2823 61.1% | 2.878 17m53s | 2506.12 82485 n.a.%
Aug 02 23:39 | 2828 61.2% | 2.888 17m54s | 2497.44 82485 n.a.%
Aug 02 23:39 | 2835 61.4% | 2.890 17m52s | 2495.72 82485 n.a.%
Aug 02 23:39 | 2840 61.5% | 2.894 17m51s | 2492.27 82485 n.a.%
Aug 02 23:39 | 2844 61.6% | 2.896 17m49s | 2490.55 82485 n.a.%
Aug 02 23:39 | 2847 61.7% | 2.879 17m39s | 2505.25 82485 n.a.%
Aug 02 23:39 | 2852 61.8% | 2.887 17m40s | 2498.31 82485 n.a.%
Aug 02 23:39 | 2855 61.9% | 2.881 17m34s | 2503.51 82485 n.a.%
Aug 02 23:39 | 2859 62.0% | 2.889 17m34s | 2496.58 82485 n.a.%
Aug 02 23:39 | 2867 62.1% | 2.863 17m22s | 2519.25 82485 n.a.%
Aug 02 23:39 | 2868 62.2% | 2.887 17m28s | 2498.31 82485 n.a.%
Aug 02 23:39 | 2879 62.3% | 2.882 17m23s | 2502.64 82485 n.a.%
Aug 02 23:39 | 2880 62.4% | 2.869 17m16s | 2513.98 82485 n.a.%
Aug 02 23:39 | 2883 62.5% | 2.899 17m24s | 2487.97 82485 n.a.%
Aug 02 23:39 | 2888 62.6% | 2.884 17m15s | 2500.91 82485 n.a.%
Aug 02 23:39 | 2895 62.7% | 2.899 17m18s | 2487.97 82485 n.a.%
Aug 02 23:39 | 2900 62.8% | 2.872 17m05s | 2511.36 82485 n.a.%
Aug 02 23:39 | 2903 62.9% | 2.892 17m10s | 2493.99 82485 n.a.%
Aug 02 23:40 | 2904 63.0% | 2.860 16m55s | 2521.89 82485 n.a.%
Aug 02 23:40 | 2907 63.1% | 2.856 16m51s | 2525.43 82485 n.a.%
received signal "SIGTERM"
mfaktc will exit once the current class is finished.
press ^C again to exit immediately
mfaktc will exit NOW!
2026-08-02 23:42:02 (4131843): wrapper (7.24.26018): starting
2026-08-02 23:42:02 (4131843): wrapper (7.24.26018): starting
2026-08-02 23:42:02 (4131843): wrapper: running ./mfaktc.exe (-d 0)
2026-08-02 23:42:02 (4131843): wrapper: created child process 4131845
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 256 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
LegacyResultsTxt no
TimeStampInResults no
TimestampOnSameLine no
CUDA version info
binary compiled for CUDA 12.8
CUDA runtime version 12.8
CUDA driver version 13.2
CUDA device info
name NVIDIA GeForce RTX 4060
compute capability 8.9
max threads per block 1024
max shared memory per MP 102400 bytes
number of multiprocessors 24
clock rate (CUDA cores) 2460 MHz
memory clock rate: 8501 MHz
memory bus width: 128 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=190967437 bit_min=76 bit_max=77 (80.14 GHz-days)
Starting trial factoring M190967437 from 2^76 to 2^77 (80.14 GHz-days)
k_min = 197829182064360
k_max = 395658364132070
Using GPU kernel "barrett87_mul32_gs"
found a valid checkpoint file!
last finished class was: 2907
no factors found so far.
previous work took 1745943 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Aug 02 23:42 | 2912 63.2% | 2.878 16m56s | 2506.12 82485 n.a.%
Aug 02 23:42 | 2915 63.3% | 2.853 16m44s | 2528.08 82485 n.a.%
Aug 02 23:42 | 2919 63.4% | 2.864 16m45s | 2518.37 82485 n.a.%
Aug 02 23:42 | 2924 63.5% | 2.872 16m45s | 2511.36 82485 n.a.%
Aug 02 23:42 | 2928 63.6% | 2.892 16m49s | 2493.99 82485 n.a.%
Aug 02 23:42 | 2939 63.8% | 2.877 16m41s | 2506.99 82485 n.a.%
Aug 02 23:42 | 2940 63.9% | 2.874 16m37s | 2509.61 82485 n.a.%
Aug 02 23:42 | 2943 64.0% | 2.879 16m36s | 2505.25 82485 n.a.%
Aug 02 23:42 | 2952 64.1% | 2.881 16m34s | 2503.51 82485 n.a.%
Aug 02 23:42 | 2960 64.2% | 2.862 16m25s | 2520.13 82485 n.a.%
Aug 02 23:42 | 2963 64.3% | 2.885 16m30s | 2500.04 82485 n.a.%
Aug 02 23:42 | 2967 64.4% | 2.885 16m27s | 2500.04 82485 n.a.%
Aug 02 23:42 | 2972 64.5% | 2.867 16m18s | 2515.74 82485 n.a.%
Aug 02 23:42 | 2979 64.6% | 2.863 16m13s | 2519.25 82485 n.a.%
Aug 02 23:42 | 2984 64.7% | 2.870 16m13s | 2513.11 82485 n.a.%
Aug 02 23:42 | 2987 64.8% | 2.883 16m14s | 2501.78 82485 n.a.%
Aug 02 23:42 | 2988 64.9% | 2.858 16m03s | 2523.66 82485 n.a.%
Aug 02 23:42 | 2999 65.0% | 2.869 16m04s | 2513.98 82485 n.a.%
Aug 02 23:42 | 3000 65.1% | 2.871 16m02s | 2512.23 82485 n.a.%
Aug 02 23:43 | 3003 65.2% | 2.870 15m59s | 2513.11 82485 n.a.%
Aug 02 23:43 | 3012 65.3% | 2.872 15m56s | 2511.36 82485 n.a.%
Aug 02 23:43 | 3015 65.4% | 2.867 15m52s | 2515.74 82485 n.a.%
Aug 02 23:43 | 3020 65.5% | 2.887 15m56s | 2498.31 82485 n.a.%
Aug 02 23:43 | 3023 65.6% | 2.857 15m43s | 2524.54 82485 n.a.%
Aug 02 23:43 | 3024 65.7% | 2.872 15m45s | 2511.36 82485 n.a.%
Aug 02 23:43 | 3027 65.8% | 2.865 15m40s | 2517.49 82485 n.a.%
Aug 02 23:43 | 3035 65.9% | 2.880 15m42s | 2504.38 82485 n.a.%
Aug 02 23:43 | 3044 66.0% | 2.882 15m40s | 2502.64 82485 n.a.%
Aug 02 23:43 | 3047 66.1% | 2.875 15m34s | 2508.74 82485 n.a.%
Aug 02 23:43 | 3048 66.2% | 2.876 15m32s | 2507.86 82485 n.a.%
Aug 02 23:43 | 3059 66.4% | 2.876 15m29s | 2507.86 82485 n.a.%
Aug 02 23:43 | 3068 66.5% | 2.873 15m25s | 2510.48 82485 n.a.%
Aug 02 23:43 | 3072 66.6% | 2.866 15m20s | 2516.62 82485 n.a.%
Aug 02 23:43 | 3075 66.7% | 2.900 15m28s | 2487.11 82485 n.a.%
Aug 02 23:43 | 3080 66.8% | 2.892 15m23s | 2493.99 82485 n.a.%
Aug 02 23:43 | 3083 66.9% | 2.882 15m16s | 2502.64 82485 n.a.%
Aug 02 23:43 | 3084 67.0% | 2.893 15m17s | 2493.13 82485 n.a.%
Aug 02 23:43 | 3087 67.1% | 2.895 15m15s | 2491.41 82485 n.a.%
Aug 02 23:43 | 3092 67.2% | 2.879 15m07s | 2505.25 82485 n.a.%
Aug 02 23:43 | 3099 67.3% | 2.869 15m01s | 2513.98 82485 n.a.%
Aug 02 23:44 | 3104 67.4% | 2.912 15m11s | 2476.86 82485 n.a.%
Aug 02 23:44 | 3108 67.5% | 2.894 15m03s | 2492.27 82485 n.a.%
Aug 02 23:44 | 3119 67.6% | 2.899 15m02s | 2487.97 82485 n.a.%
Aug 02 23:44 | 3120 67.7% | 2.882 14m53s | 2502.64 82485 n.a.%
Aug 02 23:44 | 3128 67.8% | 2.884 14m51s | 2500.91 82485 n.a.%
Aug 02 23:44 | 3132 67.9% | 2.861 14m41s | 2521.01 82485 n.a.%
Aug 02 23:44 | 3135 68.0% | 2.888 14m47s | 2497.44 82485 n.a.%
Aug 02 23:44 | 3143 68.1% | 2.871 14m39s | 2512.23 82485 n.a.%
Aug 02 23:44 | 3147 68.2% | 2.873 14m36s | 2510.48 82485 n.a.%
Aug 02 23:44 | 3152 68.3% | 2.875 14m34s | 2508.74 82485 n.a.%
Aug 02 23:44 | 3155 68.4% | 2.872 14m30s | 2511.36 82485 n.a.%
Aug 02 23:44 | 3159 68.5% | 2.870 14m27s | 2513.11 82485 n.a.%
Aug 02 23:44 | 3164 68.6% | 2.874 14m25s | 2509.61 82485 n.a.%
Aug 02 23:44 | 3167 68.8% | 2.866 14m20s | 2516.62 82485 n.a.%
Aug 02 23:44 | 3168 68.9% | 2.885 14m23s | 2500.04 82485 n.a.%
Aug 02 23:44 | 3180 69.0% | 2.900 14m24s | 2487.11 82485 n.a.%
Aug 02 23:44 | 3183 69.1% | 2.863 14m10s | 2519.25 82485 n.a.%
Aug 02 23:44 | 3188 69.2% | 2.885 14m14s | 2500.04 82485 n.a.%
Aug 02 23:44 | 3192 69.3% | 2.896 14m14s | 2490.55 82485 n.a.%
Aug 02 23:44 | 3203 69.4% | 2.886 14m08s | 2499.18 82485 n.a.%
Aug 02 23:44 | 3204 69.5% | 2.871 14m01s | 2512.23 82485 n.a.%
Aug 02 23:45 | 3212 69.6% | 2.884 14m02s | 2500.91 82485 n.a.%
Aug 02 23:45 | 3215 69.7% | 2.890 14m01s | 2495.72 82485 n.a.%
Aug 02 23:45 | 3219 69.8% | 2.899 14m01s | 2487.97 82485 n.a.%
Aug 02 23:45 | 3224 69.9% | 2.892 13m56s | 2493.99 82485 n.a.%
Aug 02 23:45 | 3227 70.0% | 2.891 13m53s | 2494.85 82485 n.a.%
Aug 02 23:45 | 3240 70.1% | 2.886 13m48s | 2499.18 82485 n.a.%
Aug 02 23:45 | 3243 70.2% | 2.872 13m41s | 2511.36 82485 n.a.%
Aug 02 23:45 | 3248 70.3% | 2.889 13m43s | 2496.58 82485 n.a.%
Aug 02 23:45 | 3252 70.4% | 2.902 13m44s | 2485.40 82485 n.a.%
Aug 02 23:45 | 3255 70.5% | 2.889 13m38s | 2496.58 82485 n.a.%
Aug 02 23:45 | 3260 70.6% | 2.871 13m30s | 2512.23 82485 n.a.%
Aug 02 23:45 | 3264 70.7% | 2.890 13m32s | 2495.72 82485 n.a.%
Aug 02 23:45 | 3267 70.8% | 2.889 13m29s | 2496.58 82485 n.a.%
Aug 02 23:45 | 3275 70.9% | 2.875 13m22s | 2508.74 82485 n.a.%
Aug 02 23:45 | 3279 71.0% | 2.885 13m22s | 2500.04 82485 n.a.%
Aug 02 23:45 | 3287 71.1% | 2.879 13m17s | 2505.25 82485 n.a.%
Aug 02 23:45 | 3288 71.2% | 2.877 13m14s | 2506.99 82485 n.a.%
Aug 02 23:45 | 3299 71.4% | 2.890 13m15s | 2495.72 82485 n.a.%
Aug 02 23:45 | 3300 71.5% | 2.895 13m13s | 2491.41 82485 n.a.%
Aug 02 23:45 | 3303 71.6% | 2.892 13m10s | 2493.99 82485 n.a.%
Aug 02 23:45 | 3308 71.7% | 2.880 13m03s | 2504.38 82485 n.a.%
Aug 02 23:46 | 3315 71.8% | 2.889 13m03s | 2496.58 82485 n.a.%
received signal "SIGTERM"
mfaktc will exit once the current class is finished.
press ^C again to exit immediately
mfaktc will exit NOW!
2026-08-02 23:48:02 (10462): wrapper (7.24.26018): starting
2026-08-02 23:48:02 (10462): wrapper (7.24.26018): starting
2026-08-02 23:48:02 (10462): wrapper: running ./mfaktc.exe (-d 0)
2026-08-02 23:48:02 (10462): wrapper: created child process 10469
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 256 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
LegacyResultsTxt no
TimeStampInResults no
TimestampOnSameLine no
CUDA version info
binary compiled for CUDA 12.8
CUDA runtime version 12.8
CUDA driver version 13.2
CUDA device info
name NVIDIA GeForce RTX 4060
compute capability 8.9
max threads per block 1024
max shared memory per MP 102400 bytes
number of multiprocessors 24
clock rate (CUDA cores) 2460 MHz
memory clock rate: 8501 MHz
memory bus width: 128 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=190967437 bit_min=76 bit_max=77 (80.14 GHz-days)
Starting trial factoring M190967437 from 2^76 to 2^77 (80.14 GHz-days)
k_min = 197829182064360
k_max = 395658364132070
Using GPU kernel "barrett87_mul32_gs"
found a valid checkpoint file!
last finished class was: 3215
no factors found so far.
previous work took 1927235 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Aug 02 23:48 | 3219 69.8% | 2.856 13m48s | 2525.43 82485 n.a.%
Aug 02 23:48 | 3224 69.9% | 2.881 13m53s | 2503.51 82485 n.a.%
Aug 02 23:48 | 3227 70.0% | 2.855 13m42s | 2526.31 82485 n.a.%
Aug 02 23:48 | 3240 70.1% | 2.880 13m47s | 2504.38 82485 n.a.%
Aug 02 23:48 | 3243 70.2% | 2.856 13m37s | 2525.43 82485 n.a.%
Aug 02 23:48 | 3248 70.3% | 2.872 13m39s | 2511.36 82485 n.a.%
Aug 02 23:48 | 3252 70.4% | 2.873 13m36s | 2510.48 82485 n.a.%
Aug 02 23:48 | 3255 70.5% | 2.866 13m31s | 2516.62 82485 n.a.%
Aug 02 23:48 | 3260 70.6% | 2.891 13m35s | 2494.85 82485 n.a.%
Aug 02 23:48 | 3264 70.7% | 2.857 13m23s | 2524.54 82485 n.a.%
Aug 02 23:48 | 3267 70.8% | 2.895 13m31s | 2491.41 82485 n.a.%
Aug 02 23:48 | 3275 70.9% | 2.857 13m17s | 2524.54 82485 n.a.%
Aug 02 23:48 | 3279 71.0% | 2.883 13m21s | 2501.78 82485 n.a.%
Aug 02 23:48 | 3287 71.1% | 2.878 13m17s | 2506.12 82485 n.a.%
Aug 02 23:48 | 3288 71.2% | 2.876 13m14s | 2507.86 82485 n.a.%
Aug 02 23:48 | 3299 71.4% | 2.893 13m16s | 2493.13 82485 n.a.%
Aug 02 23:48 | 3300 71.5% | 2.887 13m11s | 2498.31 82485 n.a.%
Aug 02 23:48 | 3303 71.6% | 2.889 13m09s | 2496.58 82485 n.a.%
Aug 02 23:48 | 3308 71.7% | 2.875 13m02s | 2508.74 82485 n.a.%
Aug 02 23:49 | 3315 71.8% | 2.901 13m06s | 2486.25 82485 n.a.%
Aug 02 23:49 | 3320 71.9% | 2.884 12m59s | 2500.91 82485 n.a.%
Aug 02 23:49 | 3323 72.0% | 2.883 12m56s | 2501.78 82485 n.a.%
Aug 02 23:49 | 3324 72.1% | 2.880 12m52s | 2504.38 82485 n.a.%
Aug 02 23:49 | 3332 72.2% | 2.895 12m53s | 2491.41 82485 n.a.%
Aug 02 23:49 | 3335 72.3% | 2.894 12m50s | 2492.27 82485 n.a.%
Aug 02 23:49 | 3339 72.4% | 2.879 12m43s | 2505.25 82485 n.a.%
Aug 02 23:49 | 3344 72.5% | 2.885 12m42s | 2500.04 82485 n.a.%
Aug 02 23:49 | 3348 72.6% | 2.898 12m42s | 2488.83 82485 n.a.%
Aug 02 23:49 | 3359 72.7% | 2.881 12m35s | 2503.51 82485 n.a.%
Aug 02 23:49 | 3363 72.8% | 2.878 12m31s | 2506.12 82485 n.a.%
Aug 02 23:49 | 3372 72.9% | 2.891 12m32s | 2494.85 82485 n.a.%
Aug 02 23:49 | 3380 73.0% | 2.897 12m30s | 2489.69 82485 n.a.%
Aug 02 23:49 | 3383 73.1% | 2.876 12m22s | 2507.86 82485 n.a.%
Aug 02 23:49 | 3384 73.2% | 2.887 12m22s | 2498.31 82485 n.a.%
Aug 02 23:49 | 3387 73.3% | 2.899 12m22s | 2487.97 82485 n.a.%
Aug 02 23:49 | 3392 73.4% | 2.888 12m16s | 2497.44 82485 n.a.%
Aug 02 23:49 | 3395 73.5% | 2.889 12m14s | 2496.58 82485 n.a.%
Aug 02 23:49 | 3399 73.6% | 2.876 12m08s | 2507.86 82485 n.a.%
Aug 02 23:49 | 3407 73.8% | 2.908 12m13s | 2480.27 82485 n.a.%
Aug 02 23:49 | 3408 73.9% | 2.894 12m06s | 2492.27 82485 n.a.%
Aug 02 23:50 | 3419 74.0% | 2.881 12m00s | 2503.51 82485 n.a.%
Aug 02 23:50 | 3420 74.1% | 2.890 12m00s | 2495.72 82485 n.a.%
Aug 02 23:50 | 3423 74.2% | 2.895 11m58s | 2491.41 82485 n.a.%
Aug 02 23:50 | 3428 74.3% | 2.878 11m51s | 2506.12 82485 n.a.%
Aug 02 23:50 | 3432 74.4% | 2.892 11m51s | 2493.99 82485 n.a.%
Aug 02 23:50 | 3435 74.5% | 2.875 11m44s | 2508.74 82485 n.a.%
Aug 02 23:50 | 3440 74.6% | 2.881 11m43s | 2503.51 82485 n.a.%
Aug 02 23:50 | 3443 74.7% | 2.875 11m39s | 2508.74 82485 n.a.%
Aug 02 23:50 | 3444 74.8% | 2.891 11m40s | 2494.85 82485 n.a.%
Aug 02 23:50 | 3447 74.9% | 2.892 11m37s | 2493.99 82485 n.a.%
Aug 02 23:50 | 3455 75.0% | 2.884 11m32s | 2500.91 82485 n.a.%
Aug 02 23:50 | 3464 75.1% | 2.885 11m30s | 2500.04 82485 n.a.%
Aug 02 23:50 | 3467 75.2% | 2.886 11m27s | 2499.18 82485 n.a.%
Aug 02 23:50 | 3468 75.3% | 2.893 11m26s | 2493.13 82485 n.a.%
Aug 02 23:50 | 3479 75.4% | 2.884 11m21s | 2500.91 82485 n.a.%
Aug 02 23:50 | 3483 75.5% | 2.875 11m16s | 2508.74 82485 n.a.%
Aug 02 23:50 | 3488 75.6% | 2.875 11m13s | 2508.74 82485 n.a.%
Aug 02 23:50 | 3495 75.7% | 2.903 11m16s | 2484.54 82485 n.a.%
Aug 02 23:50 | 3500 75.8% | 2.882 11m09s | 2502.64 82485 n.a.%
Aug 02 23:50 | 3504 75.9% | 2.902 11m10s | 2485.40 82485 n.a.%
Aug 02 23:50 | 3507 76.0% | 2.892 11m05s | 2493.99 82485 n.a.%
Aug 02 23:51 | 3512 76.1% | 2.877 10m59s | 2506.99 82485 n.a.%
Aug 02 23:51 | 3519 76.2% | 2.895 11m00s | 2491.41 82485 n.a.%
Aug 02 23:51 | 3524 76.4% | 2.883 10m54s | 2501.78 82485 n.a.%
Aug 02 23:51 | 3527 76.5% | 2.888 10m53s | 2497.44 82485 n.a.%
Aug 02 23:51 | 3528 76.6% | 2.879 10m48s | 2505.25 82485 n.a.%
Aug 02 23:51 | 3539 76.7% | 2.875 10m44s | 2508.74 82485 n.a.%
Aug 02 23:51 | 3540 76.8% | 2.894 10m45s | 2492.27 82485 n.a.%
Aug 02 23:51 | 3548 76.9% | 2.894 10m42s | 2492.27 82485 n.a.%
Aug 02 23:51 | 3552 77.0% | 2.876 10m36s | 2507.86 82485 n.a.%
Aug 02 23:51 | 3555 77.1% | 2.879 10m33s | 2505.25 82485 n.a.%
Aug 02 23:51 | 3560 77.2% | 2.886 10m32s | 2499.18 82485 n.a.%
Aug 02 23:51 | 3563 77.3% | 2.893 10m31s | 2493.13 82485 n.a.%
Aug 02 23:51 | 3567 77.4% | 2.873 10m23s | 2510.48 82485 n.a.%
Aug 02 23:51 | 3572 77.5% | 2.882 10m23s | 2502.64 82485 n.a.%
Aug 02 23:51 | 3575 77.6% | 2.892 10m22s | 2493.99 82485 n.a.%
Aug 02 23:51 | 3579 77.7% | 2.893 10m19s | 2493.13 82485 n.a.%
Aug 02 23:51 | 3584 77.8% | 2.897 10m17s | 2489.69 82485 n.a.%
Aug 02 23:51 | 3587 77.9% | 2.884 10m11s | 2500.91 82485 n.a.%
Aug 02 23:51 | 3588 78.0% | 2.883 10m08s | 2501.78 82485 n.a.%
Aug 02 23:51 | 3600 78.1% | 2.881 10m05s | 2503.51 82485 n.a.%
Aug 02 23:51 | 3603 78.2% | 2.877 10m01s | 2506.99 82485 n.a.%
Aug 02 23:52 | 3608 78.3% | 2.893 10m02s | 2493.13 82485 n.a.%
received signal "SIGTERM"
mfaktc will exit once the current class is finished.
press ^C again to exit immediately
mfaktc will exit NOW!
2026-08-02 23:54:02 (82412): wrapper (7.24.26018): starting
2026-08-02 23:54:02 (82412): wrapper (7.24.26018): starting
2026-08-02 23:54:02 (82412): wrapper: running ./mfaktc.exe (-d 0)
2026-08-02 23:54:02 (82412): wrapper: created child process 82414
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 256 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
LegacyResultsTxt no
TimeStampInResults no
TimestampOnSameLine no
CUDA version info
binary compiled for CUDA 12.8
CUDA runtime version 12.8
CUDA driver version 13.2
CUDA device info
name NVIDIA GeForce RTX 4060
compute capability 8.9
max threads per block 1024
max shared memory per MP 102400 bytes
number of multiprocessors 24
clock rate (CUDA cores) 2460 MHz
memory clock rate: 8501 MHz
memory bus width: 128 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=190967437 bit_min=76 bit_max=77 (80.14 GHz-days)
Starting trial factoring M190967437 from 2^76 to 2^77 (80.14 GHz-days)
k_min = 197829182064360
k_max = 395658364132070
Using GPU kernel "barrett87_mul32_gs"
found a valid checkpoint file!
last finished class was: 3519
no factors found so far.
previous work took 2108901 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Aug 02 23:54 | 3524 76.4% | 2.871 10m52s | 2512.23 82485 n.a.%
Aug 02 23:54 | 3527 76.5% | 2.869 10m48s | 2513.98 82485 n.a.%
Aug 02 23:54 | 3528 76.6% | 2.844 10m40s | 2536.08 82485 n.a.%
Aug 02 23:54 | 3539 76.7% | 2.888 10m47s | 2497.44 82485 n.a.%
Aug 02 23:54 | 3540 76.8% | 2.855 10m37s | 2526.31 82485 n.a.%
Aug 02 23:54 | 3548 76.9% | 2.869 10m37s | 2513.98 82485 n.a.%
Aug 02 23:54 | 3552 77.0% | 2.849 10m30s | 2531.63 82485 n.a.%
Aug 02 23:54 | 3555 77.1% | 2.860 10m29s | 2521.89 82485 n.a.%
Aug 02 23:54 | 3560 77.2% | 2.876 10m30s | 2507.86 82485 n.a.%
Aug 02 23:54 | 3563 77.3% | 2.852 10m22s | 2528.97 82485 n.a.%
Aug 02 23:54 | 3567 77.4% | 2.880 10m25s | 2504.38 82485 n.a.%
Aug 02 23:54 | 3572 77.5% | 2.868 10m19s | 2514.86 82485 n.a.%
Aug 02 23:54 | 3575 77.6% | 2.885 10m20s | 2500.04 82485 n.a.%
Aug 02 23:54 | 3579 77.7% | 2.869 10m14s | 2513.98 82485 n.a.%
Aug 02 23:54 | 3584 77.8% | 2.886 10m15s | 2499.18 82485 n.a.%
Aug 02 23:54 | 3587 77.9% | 2.884 10m11s | 2500.91 82485 n.a.%
Aug 02 23:54 | 3588 78.0% | 2.873 10m06s | 2510.48 82485 n.a.%
Aug 02 23:54 | 3600 78.1% | 2.880 10m05s | 2504.38 82485 n.a.%
Aug 02 23:54 | 3603 78.2% | 2.886 10m03s | 2499.18 82485 n.a.%
Aug 02 23:55 | 3608 78.3% | 2.911 10m05s | 2477.71 82485 n.a.%
Aug 02 23:55 | 3612 78.4% | 2.867 9m53s | 2515.74 82485 n.a.%
Aug 02 23:55 | 3615 78.5% | 2.896 9m57s | 2490.55 82485 n.a.%
Aug 02 23:55 | 3623 78.6% | 2.900 9m55s | 2487.11 82485 n.a.%
Aug 02 23:55 | 3632 78.8% | 2.883 9m48s | 2501.78 82485 n.a.%
Aug 02 23:55 | 3639 78.9% | 2.887 9m46s | 2498.31 82485 n.a.%
Aug 02 23:55 | 3644 79.0% | 2.878 9m41s | 2506.12 82485 n.a.%
Aug 02 23:55 | 3647 79.1% | 2.895 9m42s | 2491.41 82485 n.a.%
Aug 02 23:55 | 3659 79.2% | 2.878 9m36s | 2506.12 82485 n.a.%
Aug 02 23:55 | 3660 79.3% | 2.887 9m35s | 2498.31 82485 n.a.%
Aug 02 23:55 | 3663 79.4% | 2.888 9m32s | 2497.44 82485 n.a.%
Aug 02 23:55 | 3672 79.5% | 2.893 9m30s | 2493.13 82485 n.a.%
Aug 02 23:55 | 3675 79.6% | 2.883 9m25s | 2501.78 82485 n.a.%
Aug 02 23:55 | 3680 79.7% | 2.880 9m22s | 2504.38 82485 n.a.%
Aug 02 23:55 | 3684 79.8% | 2.896 9m22s | 2490.55 82485 n.a.%
Aug 02 23:55 | 3687 79.9% | 2.900 9m20s | 2487.11 82485 n.a.%
Aug 02 23:55 | 3692 80.0% | 2.890 9m15s | 2495.72 82485 n.a.%
Aug 02 23:55 | 3695 80.1% | 2.888 9m12s | 2497.44 82485 n.a.%
Aug 02 23:55 | 3699 80.2% | 2.871 9m05s | 2512.23 82485 n.a.%
Aug 02 23:55 | 3707 80.3% | 2.880 9m04s | 2504.38 82485 n.a.%
Aug 02 23:55 | 3708 80.4% | 2.898 9m05s | 2488.83 82485 n.a.%
Aug 02 23:56 | 3719 80.5% | 2.898 9m02s | 2488.83 82485 n.a.%
received signal "SIGTERM"
mfaktc will exit once the current class is finished.
press ^C again to exit immediately
Aug 02 23:56 | 3720 80.6% | 2.887 8m57s | 2498.31 82485 n.a.%
2026-08-02 23:58:03 (130376): wrapper (7.24.26018): starting
2026-08-02 23:58:03 (130376): wrapper (7.24.26018): starting
2026-08-02 23:58:03 (130376): wrapper: running ./mfaktc.exe (-d 0)
2026-08-02 23:58:03 (130376): wrapper: created child process 130378
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 256 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
LegacyResultsTxt no
TimeStampInResults no
TimestampOnSameLine no
CUDA version info
binary compiled for CUDA 12.8
CUDA runtime version 12.8
CUDA driver version 13.2
CUDA device info
name NVIDIA GeForce RTX 4060
compute capability 8.9
max threads per block 1024
max shared memory per MP 102400 bytes
number of multiprocessors 24
clock rate (CUDA cores) 2460 MHz
memory clock rate: 8501 MHz
memory bus width: 128 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=190967437 bit_min=76 bit_max=77 (80.14 GHz-days)
Starting trial factoring M190967437 from 2^76 to 2^77 (80.14 GHz-days)
k_min = 197829182064360
k_max = 395658364132070
Using GPU kernel "barrett87_mul32_gs"
found a valid checkpoint file!
last finished class was: 3720
no factors found so far.
previous work took 2229879 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Aug 02 23:58 | 3728 80.7% | 2.891 8m55s | 2494.85 82485 n.a.%
Aug 02 23:58 | 3735 80.8% | 2.859 8m46s | 2522.78 82485 n.a.%
Aug 02 23:58 | 3740 80.9% | 2.862 8m44s | 2520.13 82485 n.a.%
Aug 02 23:58 | 3743 81.0% | 2.860 8m41s | 2521.89 82485 n.a.%
Aug 02 23:58 | 3744 81.1% | 2.858 8m37s | 2523.66 82485 n.a.%
Aug 02 23:58 | 3747 81.2% | 2.872 8m37s | 2511.36 82485 n.a.%
Aug 02 23:58 | 3752 81.4% | 2.874 8m34s | 2509.61 82485 n.a.%
Aug 02 23:58 | 3755 81.5% | 2.873 8m31s | 2510.48 82485 n.a.%
Aug 02 23:58 | 3759 81.6% | 2.865 8m27s | 2517.49 82485 n.a.%
Aug 02 23:58 | 3764 81.7% | 2.871 8m25s | 2512.23 82485 n.a.%
Aug 02 23:58 | 3768 81.8% | 2.878 8m24s | 2506.12 82485 n.a.%
Aug 02 23:58 | 3779 81.9% | 2.883 8m22s | 2501.78 82485 n.a.%
Aug 02 23:58 | 3780 82.0% | 2.876 8m18s | 2507.86 82485 n.a.%
Aug 02 23:58 | 3783 82.1% | 2.859 8m12s | 2522.78 82485 n.a.%
Aug 02 23:58 | 3792 82.2% | 2.872 8m11s | 2511.36 82485 n.a.%
Aug 02 23:58 | 3803 82.3% | 2.874 8m09s | 2509.61 82485 n.a.%
Aug 02 23:58 | 3804 82.4% | 2.884 8m07s | 2500.91 82485 n.a.%
Aug 02 23:58 | 3807 82.5% | 2.865 8m01s | 2517.49 82485 n.a.%
Aug 02 23:58 | 3812 82.6% | 2.880 8m01s | 2504.38 82485 n.a.%
Aug 02 23:59 | 3815 82.7% | 2.873 7m57s | 2510.48 82485 n.a.%
Aug 02 23:59 | 3819 82.8% | 2.869 7m53s | 2513.98 82485 n.a.%
Aug 02 23:59 | 3824 82.9% | 2.881 7m52s | 2503.51 82485 n.a.%
Aug 02 23:59 | 3827 83.0% | 2.875 7m49s | 2508.74 82485 n.a.%
Aug 02 23:59 | 3828 83.1% | 2.873 7m45s | 2510.48 82485 n.a.%
Aug 02 23:59 | 3839 83.2% | 2.868 7m42s | 2514.86 82485 n.a.%
Aug 02 23:59 | 3840 83.3% | 2.894 7m43s | 2492.27 82485 n.a.%
Aug 02 23:59 | 3843 83.4% | 2.892 7m40s | 2493.99 82485 n.a.%
Aug 02 23:59 | 3848 83.5% | 2.897 7m38s | 2489.69 82485 n.a.%
Aug 02 23:59 | 3852 83.6% | 2.885 7m33s | 2500.04 82485 n.a.%
Aug 02 23:59 | 3860 83.8% | 2.878 7m29s | 2506.12 82485 n.a.%
Aug 02 23:59 | 3863 83.9% | 2.878 7m26s | 2506.12 82485 n.a.%
Aug 02 23:59 | 3864 84.0% | 2.867 7m22s | 2515.74 82485 n.a.%
Aug 02 23:59 | 3867 84.1% | 2.883 7m21s | 2501.78 82485 n.a.%
Aug 02 23:59 | 3875 84.2% | 2.880 7m18s | 2504.38 82485 n.a.%
Aug 02 23:59 | 3884 84.3% | 2.895 7m17s | 2491.41 82485 n.a.%
Aug 02 23:59 | 3887 84.4% | 2.872 7m11s | 2511.36 82485 n.a.%
Aug 02 23:59 | 3903 84.5% | 2.896 7m12s | 2490.55 82485 n.a.%
Aug 02 23:59 | 3908 84.6% | 2.878 7m06s | 2506.12 82485 n.a.%
Aug 02 23:59 | 3912 84.7% | 2.875 7m03s | 2508.74 82485 n.a.%
Aug 02 23:59 | 3915 84.8% | 2.899 7m03s | 2487.97 82485 n.a.%
Aug 03 00:00 | 3920 84.9% | 2.877 6m57s | 2506.99 82485 n.a.%
received signal "SIGTERM"
mfaktc will exit once the current class is finished.
press ^C again to exit immediately
Aug 03 00:00 | 3923 85.0% | 2.887 6m56s | 2498.31 82485 n.a.%
2026-08-03 00:02:05 (179132): wrapper (7.24.26018): starting
2026-08-03 00:02:05 (179132): wrapper (7.24.26018): starting
2026-08-03 00:02:05 (179132): wrapper: running ./mfaktc.exe (-d 0)
2026-08-03 00:02:05 (179132): wrapper: created child process 179134
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 256 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
LegacyResultsTxt no
TimeStampInResults no
TimestampOnSameLine no
CUDA version info
binary compiled for CUDA 12.8
CUDA runtime version 12.8
CUDA driver version 13.2
CUDA device info
name NVIDIA GeForce RTX 4060
compute capability 8.9
max threads per block 1024
max shared memory per MP 102400 bytes
number of multiprocessors 24
clock rate (CUDA cores) 2460 MHz
memory clock rate: 8501 MHz
memory bus width: 128 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=190967437 bit_min=76 bit_max=77 (80.14 GHz-days)
Starting trial factoring M190967437 from 2^76 to 2^77 (80.14 GHz-days)
k_min = 197829182064360
k_max = 395658364132070
Using GPU kernel "barrett87_mul32_gs"
found a valid checkpoint file!
last finished class was: 3923
no factors found so far.
previous work took 2350707 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Aug 03 00:02 | 3924 85.1% | 2.857 6m49s | 2524.54 82485 n.a.%
Aug 03 00:02 | 3927 85.2% | 2.857 6m46s | 2524.54 82485 n.a.%
Aug 03 00:02 | 3939 85.3% | 2.869 6m45s | 2513.98 82485 n.a.%
Aug 03 00:02 | 3944 85.4% | 2.869 6m42s | 2513.98 82485 n.a.%
Aug 03 00:02 | 3947 85.5% | 2.864 6m38s | 2518.37 82485 n.a.%
Aug 03 00:02 | 3948 85.6% | 2.861 6m35s | 2521.01 82485 n.a.%
Aug 03 00:02 | 3959 85.7% | 2.896 6m37s | 2490.55 82485 n.a.%
Aug 03 00:02 | 3960 85.8% | 2.861 6m29s | 2521.01 82485 n.a.%
Aug 03 00:02 | 3968 85.9% | 2.855 6m25s | 2526.31 82485 n.a.%
Aug 03 00:02 | 3972 86.0% | 2.872 6m25s | 2511.36 82485 n.a.%
Aug 03 00:02 | 3975 86.1% | 2.860 6m20s | 2521.89 82485 n.a.%
Aug 03 00:02 | 3980 86.2% | 2.864 6m18s | 2518.37 82485 n.a.%
Aug 03 00:02 | 3983 86.4% | 2.849 6m13s | 2531.63 82485 n.a.%
Aug 03 00:02 | 3992 86.5% | 2.857 6m11s | 2524.54 82485 n.a.%
Aug 03 00:02 | 3995 86.6% | 2.866 6m10s | 2516.62 82485 n.a.%
Aug 03 00:02 | 3999 86.7% | 2.873 6m08s | 2510.48 82485 n.a.%
Aug 03 00:02 | 4004 86.8% | 2.859 6m03s | 2522.78 82485 n.a.%
Aug 03 00:02 | 4007 86.9% | 2.892 6m04s | 2493.99 82485 n.a.%
Aug 03 00:03 | 4008 87.0% | 2.888 6m01s | 2497.44 82485 n.a.%
Aug 03 00:03 | 4023 87.1% | 2.863 5m55s | 2519.25 82485 n.a.%
Aug 03 00:03 | 4028 87.2% | 2.894 5m56s | 2492.27 82485 n.a.%
Aug 03 00:03 | 4032 87.3% | 2.879 5m51s | 2505.25 82485 n.a.%
Aug 03 00:03 | 4035 87.4% | 2.890 5m50s | 2495.72 82485 n.a.%
Aug 03 00:03 | 4043 87.5% | 2.885 5m46s | 2500.04 82485 n.a.%
Aug 03 00:03 | 4044 87.6% | 2.887 5m44s | 2498.31 82485 n.a.%
Aug 03 00:03 | 4052 87.7% | 2.880 5m40s | 2504.38 82485 n.a.%
Aug 03 00:03 | 4055 87.8% | 2.879 5m37s | 2505.25 82485 n.a.%
Aug 03 00:03 | 4059 87.9% | 2.898 5m36s | 2488.83 82485 n.a.%
Aug 03 00:03 | 4067 88.0% | 2.863 5m29s | 2519.25 82485 n.a.%
Aug 03 00:03 | 4079 88.1% | 2.900 5m31s | 2487.11 82485 n.a.%
Aug 03 00:03 | 4080 88.2% | 2.878 5m25s | 2506.12 82485 n.a.%
Aug 03 00:03 | 4083 88.3% | 2.874 5m22s | 2509.61 82485 n.a.%
Aug 03 00:03 | 4088 88.4% | 2.889 5m21s | 2496.58 82485 n.a.%
Aug 03 00:03 | 4092 88.5% | 2.898 5m19s | 2488.83 82485 n.a.%
Aug 03 00:03 | 4095 88.6% | 2.889 5m15s | 2496.58 82485 n.a.%
Aug 03 00:03 | 4100 88.8% | 2.870 5m10s | 2513.11 82485 n.a.%
Aug 03 00:03 | 4104 88.9% | 2.899 5m10s | 2487.97 82485 n.a.%
Aug 03 00:03 | 4107 89.0% | 2.882 5m05s | 2502.64 82485 n.a.%
Aug 03 00:03 | 4112 89.1% | 2.903 5m05s | 2484.54 82485 n.a.%
Aug 03 00:04 | 4115 89.2% | 2.883 5m00s | 2501.78 82485 n.a.%
Aug 03 00:04 | 4127 89.3% | 2.897 4m58s | 2489.69 82485 n.a.%
received signal "SIGTERM"
mfaktc will exit once the current class is finished.
press ^C again to exit immediately
mfaktc will exit NOW!
2026-08-03 00:06:03 (225800): wrapper (7.24.26018): starting
2026-08-03 00:06:03 (225800): wrapper (7.24.26018): starting
2026-08-03 00:06:03 (225800): wrapper: running ./mfaktc.exe (-d 0)
2026-08-03 00:06:03 (225800): wrapper: created child process 225803
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 256 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
LegacyResultsTxt no
TimeStampInResults no
TimestampOnSameLine no
CUDA version info
binary compiled for CUDA 12.8
CUDA runtime version 12.8
CUDA driver version 13.2
CUDA device info
name NVIDIA GeForce RTX 4060
compute capability 8.9
max threads per block 1024
max shared memory per MP 102400 bytes
number of multiprocessors 24
clock rate (CUDA cores) 2460 MHz
memory clock rate: 8501 MHz
memory bus width: 128 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=190967437 bit_min=76 bit_max=77 (80.14 GHz-days)
Starting trial factoring M190967437 from 2^76 to 2^77 (80.14 GHz-days)
k_min = 197829182064360
k_max = 395658364132070
Using GPU kernel "barrett87_mul32_gs"
found a valid checkpoint file!
last finished class was: 4028
no factors found so far.
previous work took 2410933 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Aug 03 00:06 | 4032 87.3% | 2.875 5m51s | 2508.74 82485 n.a.%
Aug 03 00:06 | 4035 87.4% | 2.857 5m46s | 2524.54 82485 n.a.%
Aug 03 00:06 | 4043 87.5% | 2.841 5m41s | 2538.76 82485 n.a.%
Aug 03 00:06 | 4044 87.6% | 2.865 5m41s | 2517.49 82485 n.a.%
Aug 03 00:06 | 4052 87.7% | 2.863 5m38s | 2519.25 82485 n.a.%
Aug 03 00:06 | 4055 87.8% | 2.864 5m35s | 2518.37 82485 n.a.%
Aug 03 00:06 | 4059 87.9% | 2.863 5m32s | 2519.25 82485 n.a.%
Aug 03 00:06 | 4067 88.0% | 2.859 5m29s | 2522.78 82485 n.a.%
Aug 03 00:06 | 4079 88.1% | 2.838 5m24s | 2541.44 82485 n.a.%
Aug 03 00:06 | 4080 88.2% | 2.851 5m22s | 2529.86 82485 n.a.%
Aug 03 00:06 | 4083 88.3% | 2.861 5m20s | 2521.01 82485 n.a.%
Aug 03 00:06 | 4088 88.4% | 2.854 5m17s | 2527.20 82485 n.a.%
Aug 03 00:06 | 4092 88.5% | 2.854 5m14s | 2527.20 82485 n.a.%
Aug 03 00:06 | 4095 88.6% | 2.869 5m13s | 2513.98 82485 n.a.%
Aug 03 00:06 | 4100 88.8% | 2.888 5m12s | 2497.44 82485 n.a.%
Aug 03 00:06 | 4104 88.9% | 2.901 5m10s | 2486.25 82485 n.a.%
Aug 03 00:06 | 4107 89.0% | 2.878 5m05s | 2506.12 82485 n.a.%
Aug 03 00:06 | 4112 89.1% | 2.893 5m04s | 2493.13 82485 n.a.%
Aug 03 00:06 | 4115 89.2% | 2.882 5m00s | 2502.64 82485 n.a.%
Aug 03 00:07 | 4127 89.3% | 2.891 4m58s | 2494.85 82485 n.a.%
Aug 03 00:07 | 4128 89.4% | 2.887 4m54s | 2498.31 82485 n.a.%
Aug 03 00:07 | 4139 89.5% | 2.893 4m52s | 2493.13 82485 n.a.%
Aug 03 00:07 | 4140 89.6% | 2.895 4m50s | 2491.41 82485 n.a.%
Aug 03 00:07 | 4143 89.7% | 2.895 4m47s | 2491.41 82485 n.a.%
Aug 03 00:07 | 4148 89.8% | 2.877 4m42s | 2506.99 82485 n.a.%
Aug 03 00:07 | 4155 89.9% | 2.887 4m40s | 2498.31 82485 n.a.%
Aug 03 00:07 | 4160 90.0% | 2.895 4m38s | 2491.41 82485 n.a.%
Aug 03 00:07 | 4164 90.1% | 2.887 4m34s | 2498.31 82485 n.a.%
Aug 03 00:07 | 4167 90.2% | 2.906 4m33s | 2481.97 82485 n.a.%
Aug 03 00:07 | 4172 90.3% | 2.881 4m28s | 2503.51 82485 n.a.%
Aug 03 00:07 | 4175 90.4% | 2.903 4m27s | 2484.54 82485 n.a.%
Aug 03 00:07 | 4179 90.5% | 2.875 4m22s | 2508.74 82485 n.a.%
Aug 03 00:07 | 4184 90.6% | 2.896 4m21s | 2490.55 82485 n.a.%
Aug 03 00:07 | 4188 90.7% | 2.884 4m17s | 2500.91 82485 n.a.%
Aug 03 00:07 | 4199 90.8% | 2.891 4m14s | 2494.85 82485 n.a.%
Aug 03 00:07 | 4200 90.9% | 2.865 4m09s | 2517.49 82485 n.a.%
Aug 03 00:07 | 4203 91.0% | 2.897 4m09s | 2489.69 82485 n.a.%
Aug 03 00:07 | 4212 91.1% | 2.900 4m07s | 2487.11 82485 n.a.%
Aug 03 00:07 | 4220 91.2% | 2.878 4m02s | 2506.12 82485 n.a.%
Aug 03 00:07 | 4223 91.4% | 2.911 4m02s | 2477.71 82485 n.a.%
Aug 03 00:08 | 4224 91.5% | 2.887 3m57s | 2498.31 82485 n.a.%
Aug 03 00:08 | 4227 91.6% | 2.891 3m54s | 2494.85 82485 n.a.%
received signal "SIGTERM"
mfaktc will exit once the current class is finished.
press ^C again to exit immediately
mfaktc will exit NOW!
2026-08-03 00:10:03 (274078): wrapper (7.24.26018): starting
2026-08-03 00:10:03 (274078): wrapper (7.24.26018): starting
2026-08-03 00:10:03 (274078): wrapper: running ./mfaktc.exe (-d 0)
2026-08-03 00:10:03 (274078): wrapper: created child process 274080
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 256 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
LegacyResultsTxt no
TimeStampInResults no
TimestampOnSameLine no
CUDA version info
binary compiled for CUDA 12.8
CUDA runtime version 12.8
CUDA driver version 13.2
CUDA device info
name NVIDIA GeForce RTX 4060
compute capability 8.9
max threads per block 1024
max shared memory per MP 102400 bytes
number of multiprocessors 24
clock rate (CUDA cores) 2460 MHz
memory clock rate: 8501 MHz
memory bus width: 128 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=190967437 bit_min=76 bit_max=77 (80.14 GHz-days)
Starting trial factoring M190967437 from 2^76 to 2^77 (80.14 GHz-days)
k_min = 197829182064360
k_max = 395658364132070
Using GPU kernel "barrett87_mul32_gs"
found a valid checkpoint file!
last finished class was: 4227
no factors found so far.
previous work took 2531861 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Aug 03 00:10 | 4232 91.7% | 2.870 3m50s | 2513.11 82485 n.a.%
Aug 03 00:10 | 4235 91.8% | 2.855 3m46s | 2526.31 82485 n.a.%
Aug 03 00:10 | 4239 91.9% | 2.870 3m44s | 2513.11 82485 n.a.%
Aug 03 00:10 | 4244 92.0% | 2.884 3m42s | 2500.91 82485 n.a.%
Aug 03 00:10 | 4247 92.1% | 2.882 3m39s | 2502.64 82485 n.a.%
Aug 03 00:10 | 4248 92.2% | 2.854 3m34s | 2527.20 82485 n.a.%
Aug 03 00:10 | 4259 92.3% | 2.893 3m34s | 2493.13 82485 n.a.%
Aug 03 00:10 | 4260 92.4% | 2.872 3m30s | 2511.36 82485 n.a.%
Aug 03 00:10 | 4263 92.5% | 2.887 3m28s | 2498.31 82485 n.a.%
Aug 03 00:10 | 4268 92.6% | 2.865 3m23s | 2517.49 82485 n.a.%
Aug 03 00:10 | 4272 92.7% | 2.871 3m21s | 2512.23 82485 n.a.%
Aug 03 00:10 | 4275 92.8% | 2.884 3m19s | 2500.91 82485 n.a.%
Aug 03 00:10 | 4280 92.9% | 2.870 3m15s | 2513.11 82485 n.a.%
Aug 03 00:10 | 4283 93.0% | 2.854 3m11s | 2527.20 82485 n.a.%
Aug 03 00:10 | 4287 93.1% | 2.857 3m09s | 2524.54 82485 n.a.%
Aug 03 00:10 | 4304 93.2% | 2.875 3m07s | 2508.74 82485 n.a.%
Aug 03 00:10 | 4307 93.3% | 2.854 3m03s | 2527.20 82485 n.a.%
Aug 03 00:10 | 4308 93.4% | 2.886 3m02s | 2499.18 82485 n.a.%
Aug 03 00:10 | 4319 93.5% | 2.889 2m59s | 2496.58 82485 n.a.%
Aug 03 00:11 | 4323 93.6% | 2.901 2m57s | 2486.25 82485 n.a.%
Aug 03 00:11 | 4332 93.8% | 2.882 2m53s | 2502.64 82485 n.a.%
Aug 03 00:11 | 4335 93.9% | 2.895 2m51s | 2491.41 82485 n.a.%
Aug 03 00:11 | 4340 94.0% | 2.895 2m48s | 2491.41 82485 n.a.%
Aug 03 00:11 | 4343 94.1% | 2.882 2m44s | 2502.64 82485 n.a.%
Aug 03 00:11 | 4344 94.2% | 2.890 2m42s | 2495.72 82485 n.a.%
Aug 03 00:11 | 4347 94.3% | 2.889 2m39s | 2496.58 82485 n.a.%
Aug 03 00:11 | 4352 94.4% | 2.919 2m38s | 2470.92 82485 n.a.%
Aug 03 00:11 | 4359 94.5% | 2.860 2m32s | 2521.89 82485 n.a.%
Aug 03 00:11 | 4364 94.6% | 2.893 2m30s | 2493.13 82485 n.a.%
Aug 03 00:11 | 4367 94.7% | 2.889 2m27s | 2496.58 82485 n.a.%
Aug 03 00:11 | 4368 94.8% | 2.917 2m26s | 2472.62 82485 n.a.%
Aug 03 00:11 | 4379 94.9% | 2.895 2m22s | 2491.41 82485 n.a.%
Aug 03 00:11 | 4380 95.0% | 2.886 2m19s | 2499.18 82485 n.a.%
Aug 03 00:11 | 4388 95.1% | 2.898 2m16s | 2488.83 82485 n.a.%
Aug 03 00:11 | 4392 95.2% | 2.889 2m13s | 2496.58 82485 n.a.%
Aug 03 00:11 | 4395 95.3% | 2.898 2m10s | 2488.83 82485 n.a.%
Aug 03 00:11 | 4400 95.4% | 2.892 2m07s | 2493.99 82485 n.a.%
Aug 03 00:11 | 4403 95.5% | 2.897 2m05s | 2489.69 82485 n.a.%
Aug 03 00:11 | 4407 95.6% | 2.892 2m01s | 2493.99 82485 n.a.%
Aug 03 00:11 | 4412 95.7% | 2.891 1m59s | 2494.85 82485 n.a.%
Aug 03 00:12 | 4415 95.8% | 2.904 1m56s | 2483.68 82485 n.a.%
Aug 03 00:12 | 4419 95.9% | 2.872 1m52s | 2511.36 82485 n.a.%
received signal "SIGTERM"
mfaktc will exit once the current class is finished.
press ^C again to exit immediately
mfaktc will exit NOW!
2026-08-03 00:14:04 (321989): wrapper (7.24.26018): starting
2026-08-03 00:14:04 (321989): wrapper (7.24.26018): starting
2026-08-03 00:14:04 (321989): wrapper: running ./mfaktc.exe (-d 0)
2026-08-03 00:14:04 (321989): wrapper: created child process 321991
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 256 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
LegacyResultsTxt no
TimeStampInResults no
TimestampOnSameLine no
CUDA version info
binary compiled for CUDA 12.8
CUDA runtime version 12.8
CUDA driver version 13.2
CUDA device info
name NVIDIA GeForce RTX 4060
compute capability 8.9
max threads per block 1024
max shared memory per MP 102400 bytes
number of multiprocessors 24
clock rate (CUDA cores) 2460 MHz
memory clock rate: 8501 MHz
memory bus width: 128 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=190967437 bit_min=76 bit_max=77 (80.14 GHz-days)
Starting trial factoring M190967437 from 2^76 to 2^77 (80.14 GHz-days)
k_min = 197829182064360
k_max = 395658364132070
Using GPU kernel "barrett87_mul32_gs"
found a valid checkpoint file!
last finished class was: 4419
no factors found so far.
previous work took 2652959 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Aug 03 00:14 | 4424 96.0% | 2.861 1m49s | 2521.01 82485 n.a.%
Aug 03 00:14 | 4428 96.1% | 2.860 1m46s | 2521.89 82485 n.a.%
Aug 03 00:14 | 4440 96.2% | 2.872 1m43s | 2511.36 82485 n.a.%
Aug 03 00:14 | 4443 96.4% | 2.877 1m41s | 2506.99 82485 n.a.%
Aug 03 00:14 | 4448 96.5% | 2.873 1m38s | 2510.48 82485 n.a.%
Aug 03 00:14 | 4452 96.6% | 2.871 1m35s | 2512.23 82485 n.a.%
Aug 03 00:14 | 4455 96.7% | 2.878 1m32s | 2506.12 82485 n.a.%
Aug 03 00:14 | 4463 96.8% | 2.872 1m29s | 2511.36 82485 n.a.%
Aug 03 00:14 | 4464 96.9% | 2.871 1m26s | 2512.23 82485 n.a.%
Aug 03 00:14 | 4472 97.0% | 2.864 1m23s | 2518.37 82485 n.a.%
Aug 03 00:14 | 4475 97.1% | 2.866 1m20s | 2516.62 82485 n.a.%
Aug 03 00:14 | 4479 97.2% | 2.862 1m17s | 2520.13 82485 n.a.%
Aug 03 00:14 | 4484 97.3% | 2.854 1m14s | 2527.20 82485 n.a.%
Aug 03 00:14 | 4487 97.4% | 2.866 1m12s | 2516.62 82485 n.a.%
Aug 03 00:14 | 4499 97.5% | 2.848 1m08s | 2532.52 82485 n.a.%
Aug 03 00:14 | 4500 97.6% | 2.851 1m06s | 2529.86 82485 n.a.%
Aug 03 00:14 | 4503 97.7% | 2.872 1m03s | 2511.36 82485 n.a.%
Aug 03 00:14 | 4508 97.8% | 2.894 1m01s | 2492.27 82485 n.a.%
Aug 03 00:14 | 4512 97.9% | 2.891 0m58s | 2494.85 82485 n.a.%
Aug 03 00:15 | 4520 98.0% | 2.881 0m55s | 2503.51 82485 n.a.%
Aug 03 00:15 | 4524 98.1% | 2.887 0m52s | 2498.31 82485 n.a.%
Aug 03 00:15 | 4527 98.2% | 2.879 0m49s | 2505.25 82485 n.a.%
Aug 03 00:15 | 4532 98.3% | 2.893 0m46s | 2493.13 82485 n.a.%
Aug 03 00:15 | 4535 98.4% | 2.888 0m43s | 2497.44 82485 n.a.%
Aug 03 00:15 | 4539 98.5% | 2.883 0m40s | 2501.78 82485 n.a.%
Aug 03 00:15 | 4547 98.6% | 2.885 0m38s | 2500.04 82485 n.a.%
Aug 03 00:15 | 4560 98.8% | 2.887 0m35s | 2498.31 82485 n.a.%
Aug 03 00:15 | 4563 98.9% | 2.892 0m32s | 2493.99 82485 n.a.%
Aug 03 00:15 | 4568 99.0% | 2.893 0m29s | 2493.13 82485 n.a.%
Aug 03 00:15 | 4575 99.1% | 2.896 0m26s | 2490.55 82485 n.a.%
Aug 03 00:15 | 4580 99.2% | 2.869 0m23s | 2513.98 82485 n.a.%
Aug 03 00:15 | 4583 99.3% | 2.897 0m20s | 2489.69 82485 n.a.%
Aug 03 00:15 | 4584 99.4% | 2.889 0m17s | 2496.58 82485 n.a.%
Aug 03 00:15 | 4587 99.5% | 2.889 0m14s | 2496.58 82485 n.a.%
Aug 03 00:15 | 4595 99.6% | 2.858 0m11s | 2523.66 82485 n.a.%
Aug 03 00:15 | 4599 99.7% | 2.893 0m09s | 2493.13 82485 n.a.%
Aug 03 00:15 | 4604 99.8% | 2.901 0m06s | 2486.25 82485 n.a.%
Aug 03 00:15 | 4608 99.9% | 2.888 0m03s | 2497.44 82485 n.a.%
Aug 03 00:15 | 4619 100.0% | 2.881 0m00s | 2503.51 82485 n.a.%
no factor for M190967437 from 2^76 to 2^77
tf(): time spent since restart: 1m 52.251s
estimated total time spent: 46m 3.101s
ERROR: get_next_assignment(): no valid assignment found in "worktodo.txt"
2026-08-03 00:15:58 (321989): ./mfaktc.exe exited; CPU time 0.930333
2026-08-03 00:15:58 (321989): called boinc_finish(0)
</stderr_txt>
]]>
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