Task 53997597
| Name | TF_76-77_164-167M_wu_13186_0 |
| Workunit | 49029837 |
| Created | 19 Apr 2026, 10:15:57 UTC |
| Sent | 19 Apr 2026, 21:22:03 UTC |
| Report deadline | 25 Apr 2026, 3:22:03 UTC |
| Received | 23 Apr 2026, 17:00:37 UTC |
| Server state | Over |
| Outcome | Success |
| Client state | Done |
| Exit status | 0 (0x0) |
| Computer ID | 232195 |
| Run time | 25 sec |
| CPU time | 1 sec |
| Validate state | Valid |
| Credit | 47,000.00 |
| Device peak FLOPS | 3,290.12 GFLOPS |
| Application version | TF v0.49 (cuda128) |
| Peak working set size | 142.65 MB |
| Peak swap size | 323.91 MB |
| Peak disk usage | 5.08 MB |
Stderr output
<core_client_version>8.2.8</core_client_version>
<![CDATA[
<stderr_txt>
5 n.a.%
2026-04-21 20:00:23 (21716): wrapper (7.24.26018): starting
2026-04-21 20:00:23 (21716): wrapper: running mfaktc-win-64.exe (-d 0)
2026-04-21 20:00:23 (21716): wrapper: created child process 23832
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 13.1
CUDA device info
name NVIDIA GeForce RTX 2070
compute capability 7.5
max threads per block 1024
max shared memory per MP 65536 bytes
number of multiprocessors 36
clock rate (CUDA cores) 1620 MHz
memory clock rate: 7001 MHz
memory bus width: 256 bits
Automatic parameters
threads per grid 589824
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=165462307 bit_min=76 bit_max=77 (92.49 GHz-days)
Starting trial factoring M165462307 from 2^76 to 2^77 (92.49 GHz-days)
k_min = 228323492808180
k_max = 456646985623827
Using GPU kernel "barrett87_mul32_gs"
found a valid checkpoint file!
last finished class was: 2592
no factors found so far.
previous work took 2292846 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Apr 21 20:00 | 2597 56.4% | 3.892 27m11s | 2138.85 82485 n.a.%
Apr 21 20:00 | 2600 56.5% | 3.877 27m01s | 2147.13 82485 n.a.%
Apr 21 20:00 | 2604 56.6% | 3.899 27m06s | 2135.01 82485 n.a.%
Apr 21 20:00 | 2609 56.7% | 3.894 27m00s | 2137.75 82485 n.a.%
Apr 21 20:00 | 2625 56.8% | 3.908 27m02s | 2130.09 82485 n.a.%
Apr 21 20:00 | 2628 56.9% | 3.947 27m14s | 2109.05 82485 n.a.%
Apr 21 20:00 | 2637 57.0% | 3.919 26m59s | 2124.11 82485 n.a.%
Apr 21 20:00 | 2645 57.1% | 3.956 27m10s | 2104.25 82485 n.a.%
Apr 21 20:01 | 2648 57.2% | 3.962 27m08s | 2101.06 82485 n.a.%
Apr 21 20:01 | 2649 57.3% | 3.994 27m18s | 2084.23 82485 n.a.%
Apr 21 20:01 | 2652 57.4% | 3.986 27m10s | 2088.41 82485 n.a.%
Apr 21 20:01 | 2660 57.5% | 4.004 27m14s | 2079.02 82485 n.a.%
Apr 21 20:01 | 2664 57.6% | 4.080 27m41s | 2040.30 82485 n.a.%
Apr 21 20:01 | 2669 57.7% | 4.170 28m13s | 1996.26 82485 n.a.%
Apr 21 20:01 | 2672 57.8% | 4.196 28m19s | 1983.89 82485 n.a.%
Apr 21 20:01 | 2673 57.9% | 4.228 28m28s | 1968.88 82485 n.a.%
Apr 21 20:01 | 2684 58.0% | 4.177 28m03s | 1992.91 82485 n.a.%
Apr 21 20:01 | 2685 58.1% | 4.222 28m17s | 1971.67 82485 n.a.%
Apr 21 20:01 | 2688 58.2% | 4.222 28m13s | 1971.67 82485 n.a.%
Apr 21 20:01 | 2693 58.3% | 4.197 27m59s | 1983.42 82485 n.a.%
Apr 21 20:01 | 2697 58.4% | 4.220 28m04s | 1972.61 82485 n.a.%
Apr 21 20:01 | 2700 58.5% | 4.184 27m45s | 1989.58 82485 n.a.%
Apr 21 20:01 | 2705 58.6% | 4.281 28m20s | 1944.50 82485 n.a.%
Apr 21 20:02 | 2708 58.8% | 4.189 27m39s | 1987.21 82485 n.a.%
Apr 21 20:02 | 2709 58.9% | 4.221 27m47s | 1972.14 82485 n.a.%
Apr 21 20:02 | 2720 59.0% | 4.216 27m41s | 1974.48 82485 n.a.%
Apr 21 20:02 | 2729 59.1% | 4.243 27m47s | 1961.92 82485 n.a.%
Apr 21 20:02 | 2732 59.2% | 4.250 27m46s | 1958.68 82485 n.a.%
Apr 21 20:02 | 2733 59.3% | 4.232 27m35s | 1967.01 82485 n.a.%
Apr 21 20:02 | 2744 59.4% | 4.284 27m51s | 1943.14 82485 n.a.%
Apr 21 20:02 | 2748 59.5% | 4.270 27m41s | 1949.51 82485 n.a.%
Apr 21 20:02 | 2753 59.6% | 4.329 28m00s | 1922.94 82485 n.a.%
Apr 21 20:02 | 2757 59.7% | 4.317 27m51s | 1928.28 82485 n.a.%
Apr 21 20:02 | 2760 59.8% | 4.285 27m34s | 1942.69 82485 n.a.%
Apr 21 20:02 | 2765 59.9% | 4.298 27m35s | 1936.81 82485 n.a.%
Apr 21 20:02 | 2768 60.0% | 4.322 27m40s | 1926.05 82485 n.a.%
Apr 21 20:02 | 2769 60.1% | 4.414 28m11s | 1885.91 82485 n.a.%
Apr 21 20:03 | 2772 60.2% | 4.361 27m46s | 1908.83 82485 n.a.%
2026-04-21 20:09:05 (2948): wrapper (7.24.26018): starting
2026-04-21 20:09:05 (2948): wrapper: running mfaktc-win-64.exe (-d 0)
2026-04-21 20:09:05 (2948): wrapper: created child process 14784
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 13.1
CUDA device info
name NVIDIA GeForce RTX 2070
compute capability 7.5
max threads per block 1024
max shared memory per MP 65536 bytes
number of multiprocessors 36
clock rate (CUDA cores) 1620 MHz
memory clock rate: 7001 MHz
memory bus width: 256 bits
Automatic parameters
threads per grid 589824
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=165462307 bit_min=76 bit_max=77 (92.49 GHz-days)
Starting trial factoring M165462307 from 2^76 to 2^77 (92.49 GHz-days)
k_min = 228323492808180
k_max = 456646985623827
Using GPU kernel "barrett87_mul32_gs"
found a valid checkpoint file!
last finished class was: 2748
no factors found so far.
previous work took 2420166 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Apr 21 20:09 | 2753 59.6% | 3.722 24m04s | 2236.54 82485 n.a.%
Apr 21 20:09 | 2757 59.7% | 3.693 23m49s | 2254.10 82485 n.a.%
Apr 21 20:09 | 2760 59.8% | 3.699 23m48s | 2250.45 82485 n.a.%
Apr 21 20:09 | 2765 59.9% | 3.737 23m59s | 2227.56 82485 n.a.%
Apr 21 20:09 | 2768 60.0% | 3.736 23m55s | 2228.16 82485 n.a.%
Apr 21 20:09 | 2769 60.1% | 3.732 23m49s | 2230.55 82485 n.a.%
Apr 21 20:09 | 2772 60.2% | 3.742 23m49s | 2224.59 82485 n.a.%
Apr 21 20:09 | 2777 60.3% | 3.774 23m58s | 2205.72 82485 n.a.%
Apr 21 20:09 | 2784 60.4% | 3.775 23m55s | 2205.14 82485 n.a.%
Apr 21 20:09 | 2792 60.5% | 3.776 23m51s | 2204.56 82485 n.a.%
Apr 21 20:09 | 2793 60.6% | 3.772 23m46s | 2206.89 82485 n.a.%
Apr 21 20:09 | 2804 60.7% | 3.797 23m51s | 2192.36 82485 n.a.%
Apr 21 20:09 | 2805 60.8% | 3.808 23m52s | 2186.03 82485 n.a.%
Apr 21 20:09 | 2813 60.9% | 3.831 23m57s | 2172.91 82485 n.a.%
Apr 21 20:10 | 2817 61.0% | 3.925 24m28s | 2120.87 82485 n.a.%
Apr 21 20:10 | 2820 61.1% | 3.969 24m40s | 2097.36 82485 n.a.%
Apr 21 20:10 | 2825 61.2% | 4.029 24m59s | 2066.12 82485 n.a.%
Apr 21 20:10 | 2828 61.4% | 4.059 25m06s | 2050.85 82485 n.a.%
Apr 21 20:10 | 2832 61.5% | 4.072 25m07s | 2044.30 82485 n.a.%
Apr 21 20:10 | 2837 61.6% | 4.068 25m01s | 2046.31 82485 n.a.%
Apr 21 20:10 | 2840 61.7% | 4.063 24m55s | 2048.83 82485 n.a.%
Apr 21 20:10 | 2849 61.8% | 4.059 24m50s | 2050.85 82485 n.a.%
Apr 21 20:10 | 2852 61.9% | 4.073 24m51s | 2043.80 82485 n.a.%
Apr 21 20:10 | 2853 62.0% | 4.065 24m44s | 2047.82 82485 n.a.%
Apr 21 20:10 | 2865 62.1% | 4.072 24m42s | 2044.30 82485 n.a.%
Apr 21 20:10 | 2868 62.2% | 4.079 24m41s | 2040.80 82485 n.a.%
Apr 21 20:10 | 2873 62.3% | 4.085 24m39s | 2037.80 82485 n.a.%
Apr 21 20:10 | 2880 62.4% | 4.085 24m35s | 2037.80 82485 n.a.%
Apr 21 20:11 | 2889 62.5% | 4.080 24m29s | 2040.30 82485 n.a.%
Apr 21 20:11 | 2897 62.6% | 4.078 24m24s | 2041.30 82485 n.a.%
Apr 21 20:11 | 2900 62.7% | 4.085 24m22s | 2037.80 82485 n.a.%
Apr 21 20:11 | 2904 62.8% | 4.113 24m28s | 2023.93 82485 n.a.%
Apr 21 20:11 | 2909 62.9% | 4.115 24m25s | 2022.94 82485 n.a.%
Apr 21 20:11 | 2912 63.0% | 4.133 24m27s | 2014.13 82485 n.a.%
Apr 21 20:11 | 2924 63.1% | 4.149 24m29s | 2006.36 82485 n.a.%
Apr 21 20:11 | 2925 63.2% | 4.181 24m36s | 1991.01 82485 n.a.%
Apr 21 20:11 | 2928 63.3% | 4.116 24m09s | 2022.45 82485 n.a.%
Apr 21 20:11 | 2933 63.4% | 4.112 24m03s | 2024.42 82485 n.a.%
Apr 21 20:11 | 2937 63.5% | 4.124 24m03s | 2018.53 82485 n.a.%
Apr 21 20:11 | 2940 63.6% | 4.142 24m06s | 2009.76 82485 n.a.%
Apr 21 20:11 | 2945 63.8% | 4.140 24m01s | 2010.73 82485 n.a.%
Apr 21 20:11 | 2949 63.9% | 4.135 23m55s | 2013.16 82485 n.a.%
Apr 21 20:12 | 2952 64.0% | 24.449 2h20m | 340.48 82485 n.a.%
Apr 21 20:12 | 2957 64.1% | 3.968 22m49s | 2097.88 82485 n.a.%
Apr 21 20:12 | 2960 64.2% | 4.044 23m11s | 2058.46 82485 n.a.%
Apr 21 20:12 | 2964 64.3% | 4.042 23m06s | 2059.48 82485 n.a.%
Apr 21 20:12 | 2972 64.4% | 4.032 22m59s | 2064.58 82485 n.a.%
Apr 21 20:12 | 2973 64.5% | 4.043 22m59s | 2058.97 82485 n.a.%
Apr 21 20:12 | 2984 64.6% | 4.059 23m00s | 2050.85 82485 n.a.%
Apr 21 20:12 | 2985 64.7% | 4.081 23m03s | 2039.80 82485 n.a.%
Apr 21 20:12 | 2988 64.8% | 4.055 22m51s | 2052.87 82485 n.a.%
Apr 21 20:12 | 2993 64.9% | 4.059 22m48s | 2050.85 82485 n.a.%
Apr 21 20:12 | 3000 65.0% | 4.069 22m47s | 2045.81 82485 n.a.%
Apr 21 20:13 | 3005 65.1% | 4.104 22m55s | 2028.36 82485 n.a.%
Apr 21 20:13 | 3008 65.2% | 4.144 23m04s | 2008.79 82485 n.a.%
Apr 21 20:13 | 3012 65.3% | 4.144 23m00s | 2008.79 82485 n.a.%
Apr 21 20:13 | 3017 65.4% | 4.172 23m05s | 1995.30 82485 n.a.%
2026-04-22 20:43:53 (20496): wrapper (7.24.26018): starting
2026-04-22 20:43:53 (20496): wrapper: running mfaktc-win-64.exe (-d 0)
2026-04-22 20:43:53 (20496): wrapper: created child process 13024
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 13.1
CUDA device info
name NVIDIA GeForce RTX 2070
compute capability 7.5
max threads per block 1024
max shared memory per MP 65536 bytes
number of multiprocessors 36
clock rate (CUDA cores) 1620 MHz
memory clock rate: 7001 MHz
memory bus width: 256 bits
Automatic parameters
threads per grid 589824
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=165462307 bit_min=76 bit_max=77 (92.49 GHz-days)
Starting trial factoring M165462307 from 2^76 to 2^77 (92.49 GHz-days)
k_min = 228323492808180
k_max = 456646985623827
Using GPU kernel "barrett87_mul32_gs"
found a valid checkpoint file!
last finished class was: 2952
no factors found so far.
previous work took 2611615 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Apr 22 20:43 | 2957 64.1% | 3.688 21m12s | 2257.16 82485 n.a.%
Apr 22 20:44 | 2960 64.2% | 3.687 21m08s | 2257.77 82485 n.a.%
Apr 22 20:44 | 2964 64.3% | 3.693 21m07s | 2254.10 82485 n.a.%
Apr 22 20:44 | 2972 64.4% | 3.705 21m07s | 2246.80 82485 n.a.%
Apr 22 20:44 | 2973 64.5% | 3.736 21m14s | 2228.16 82485 n.a.%
Apr 22 20:44 | 2984 64.6% | 3.721 21m05s | 2237.14 82485 n.a.%
Apr 22 20:44 | 2985 64.7% | 3.733 21m05s | 2229.95 82485 n.a.%
Apr 22 20:44 | 2988 64.8% | 3.746 21m06s | 2222.21 82485 n.a.%
Apr 22 20:44 | 2993 64.9% | 3.758 21m06s | 2215.12 82485 n.a.%
Apr 22 20:44 | 3000 65.0% | 3.768 21m06s | 2209.24 82485 n.a.%
Apr 22 20:44 | 3005 65.1% | 3.769 21m03s | 2208.65 82485 n.a.%
Apr 22 20:44 | 3008 65.2% | 3.808 21m12s | 2186.03 82485 n.a.%
Apr 22 20:44 | 3012 65.3% | 3.827 21m14s | 2175.18 82485 n.a.%
Apr 22 20:44 | 3017 65.4% | 3.792 20m59s | 2195.25 82485 n.a.%
Apr 22 20:44 | 3024 65.5% | 3.797 20m57s | 2192.36 82485 n.a.%
Apr 22 20:44 | 3029 65.6% | 3.835 21m06s | 2170.64 82485 n.a.%
Apr 22 20:44 | 3033 65.7% | 3.824 20m58s | 2176.88 82485 n.a.%
Apr 22 20:45 | 3044 65.8% | 3.867 21m08s | 2152.68 82485 n.a.%
Apr 22 20:45 | 3045 65.9% | 3.849 20m59s | 2162.75 82485 n.a.%
Apr 22 20:45 | 3048 66.0% | 3.941 21m25s | 2112.26 82485 n.a.%
Apr 22 20:45 | 3057 66.1% | 3.955 21m25s | 2104.78 82485 n.a.%
Apr 22 20:45 | 3065 66.2% | 3.970 21m26s | 2096.83 82485 n.a.%
Apr 22 20:45 | 3068 66.4% | 4.044 21m46s | 2058.46 82485 n.a.%
Apr 22 20:45 | 3069 66.5% | 4.014 21m33s | 2073.84 82485 n.a.%
Apr 22 20:45 | 3072 66.6% | 4.031 21m34s | 2065.10 82485 n.a.%
Apr 22 20:45 | 3077 66.7% | 4.083 21m47s | 2038.80 82485 n.a.%
Apr 22 20:45 | 3080 66.8% | 3.999 21m16s | 2081.62 82485 n.a.%
Apr 22 20:45 | 3084 66.9% | 4.069 21m34s | 2045.81 82485 n.a.%
Apr 22 20:45 | 3089 67.0% | 4.018 21m14s | 2071.78 82485 n.a.%
Apr 22 20:45 | 3092 67.1% | 4.028 21m13s | 2066.64 82485 n.a.%
Apr 22 20:45 | 3093 67.2% | 4.082 21m26s | 2039.30 82485 n.a.%
Apr 22 20:45 | 3104 67.3% | 4.003 20m57s | 2079.54 82485 n.a.%
Apr 22 20:46 | 3105 67.4% | 4.089 21m20s | 2035.80 82485 n.a.%
Apr 22 20:46 | 3113 67.5% | 4.037 21m00s | 2062.03 82485 n.a.%
Apr 22 20:46 | 3117 67.6% | 4.020 20m50s | 2070.75 82485 n.a.%
Apr 22 20:46 | 3120 67.7% | 4.016 20m45s | 2072.81 82485 n.a.%
Apr 22 20:46 | 3125 67.8% | 4.065 20m56s | 2047.82 82485 n.a.%
Apr 22 20:46 | 3128 67.9% | 4.088 20m59s | 2036.30 82485 n.a.%
Apr 22 20:46 | 3129 68.0% | 4.025 20m36s | 2068.18 82485 n.a.%
Apr 22 20:46 | 3132 68.1% | 4.067 20m45s | 2046.82 82485 n.a.%
Apr 22 20:46 | 3140 68.2% | 4.057 20m37s | 2051.86 82485 n.a.%
Apr 22 20:46 | 3149 68.3% | 4.058 20m34s | 2051.36 82485 n.a.%
Apr 22 20:46 | 3153 68.4% | 4.109 20m45s | 2025.90 82485 n.a.%
Apr 22 20:46 | 3164 68.5% | 4.071 20m29s | 2044.81 82485 n.a.%
Apr 22 20:46 | 3168 68.6% | 4.075 20m27s | 2042.80 82485 n.a.%
Apr 22 20:46 | 3173 68.8% | 4.083 20m25s | 2038.80 82485 n.a.%
Apr 22 20:46 | 3177 68.9% | 4.139 20m38s | 2011.21 82485 n.a.%
Apr 22 20:47 | 3180 69.0% | 4.156 20m38s | 2002.99 82485 n.a.%
Apr 22 20:47 | 3188 69.1% | 4.142 20m30s | 2009.76 82485 n.a.%
Apr 22 20:47 | 3189 69.2% | 4.164 20m33s | 1999.14 82485 n.a.%
Apr 22 20:47 | 3192 69.3% | 4.134 20m20s | 2013.64 82485 n.a.%
Apr 22 20:47 | 3197 69.4% | 4.164 20m24s | 1999.14 82485 n.a.%
Apr 22 20:47 | 3204 69.5% | 4.167 20m21s | 1997.70 82485 n.a.%
Apr 22 20:47 | 3209 69.6% | 4.167 20m17s | 1997.70 82485 n.a.%
Apr 22 20:47 | 3212 69.7% | 4.191 20m20s | 1986.26 82485 n.a.%
Apr 22 20:47 | 3213 69.8% | 4.145 20m02s | 2008.30 82485 n.a.%
Apr 22 20:47 | 3224 69.9% | 4.139 19m56s | 2011.21 82485 n.a.%
Apr 22 20:47 | 3225 70.0% | 4.141 19m53s | 2010.24 82485 n.a.%
Apr 22 20:47 | 3233 70.1% | 4.144 19m49s | 2008.79 82485 n.a.%
Apr 22 20:47 | 3237 70.2% | 4.156 19m49s | 2002.99 82485 n.a.%
Apr 22 20:47 | 3245 70.3% | 4.155 19m44s | 2003.47 82485 n.a.%
Apr 22 20:48 | 3248 70.4% | 4.217 19m58s | 1974.01 82485 n.a.%
Apr 22 20:48 | 3252 70.5% | 4.178 19m42s | 1992.44 82485 n.a.%
Apr 22 20:48 | 3257 70.6% | 4.212 19m48s | 1976.35 82485 n.a.%
Apr 22 20:48 | 3260 70.7% | 4.199 19m40s | 1982.47 82485 n.a.%
Apr 22 20:48 | 3264 70.8% | 4.177 19m30s | 1992.91 82485 n.a.%
Apr 22 20:48 | 3269 70.9% | 4.171 19m24s | 1995.78 82485 n.a.%
Apr 22 20:48 | 3272 71.0% | 4.163 19m17s | 1999.62 82485 n.a.%
Apr 22 20:48 | 3285 71.1% | 4.233 19m33s | 1966.55 82485 n.a.%
Apr 22 20:48 | 3288 71.2% | 4.205 19m21s | 1979.64 82485 n.a.%
Apr 22 20:48 | 3293 71.4% | 4.204 19m16s | 1980.12 82485 n.a.%
Apr 22 20:48 | 3297 71.5% | 4.222 19m17s | 1971.67 82485 n.a.%
Apr 22 20:48 | 3300 71.6% | 4.181 19m01s | 1991.01 82485 n.a.%
Apr 22 20:48 | 3308 71.7% | 4.249 19m16s | 1959.14 82485 n.a.%
Apr 22 20:48 | 3309 71.8% | 4.212 19m01s | 1976.35 82485 n.a.%
Apr 22 20:49 | 3320 71.9% | 4.222 19m00s | 1971.67 82485 n.a.%
2026-04-22 21:00:25 (7788): wrapper (7.24.26018): starting
2026-04-22 21:00:25 (7788): wrapper: running mfaktc-win-64.exe (-d 0)
2026-04-22 21:00:25 (7788): wrapper: created child process 13704
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 13.1
CUDA device info
name NVIDIA GeForce RTX 2070
compute capability 7.5
max threads per block 1024
max shared memory per MP 65536 bytes
number of multiprocessors 36
clock rate (CUDA cores) 1620 MHz
memory clock rate: 7001 MHz
memory bus width: 256 bits
Automatic parameters
threads per grid 589824
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=165462307 bit_min=76 bit_max=77 (92.49 GHz-days)
Starting trial factoring M165462307 from 2^76 to 2^77 (92.49 GHz-days)
k_min = 228323492808180
k_max = 456646985623827
Using GPU kernel "barrett87_mul32_gs"
found a valid checkpoint file!
last finished class was: 3248
no factors found so far.
previous work took 2858836 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Apr 22 21:00 | 3252 70.5% | 3.741 17m39s | 2225.18 82485 n.a.%
Apr 22 21:00 | 3257 70.6% | 3.706 17m25s | 2246.20 82485 n.a.%
Apr 22 21:00 | 3260 70.7% | 3.711 17m23s | 2243.17 82485 n.a.%
Apr 22 21:00 | 3264 70.8% | 3.724 17m23s | 2235.34 82485 n.a.%
Apr 22 21:00 | 3269 70.9% | 3.781 17m35s | 2201.64 82485 n.a.%
Apr 22 21:00 | 3272 71.0% | 3.750 17m23s | 2219.84 82485 n.a.%
Apr 22 21:00 | 3285 71.1% | 3.751 17m19s | 2219.25 82485 n.a.%
Apr 22 21:00 | 3288 71.2% | 3.767 17m20s | 2209.82 82485 n.a.%
Apr 22 21:01 | 3293 71.4% | 3.766 17m16s | 2210.41 82485 n.a.%
Apr 22 21:01 | 3297 71.5% | 3.816 17m26s | 2181.45 82485 n.a.%
Apr 22 21:01 | 3300 71.6% | 3.780 17m12s | 2202.22 82485 n.a.%
Apr 22 21:01 | 3308 71.7% | 3.795 17m12s | 2193.52 82485 n.a.%
Apr 22 21:01 | 3309 71.8% | 3.803 17m11s | 2188.91 82485 n.a.%
Apr 22 21:01 | 3320 71.9% | 3.809 17m08s | 2185.46 82485 n.a.%
Apr 22 21:01 | 3324 72.0% | 3.814 17m06s | 2182.59 82485 n.a.%
Apr 22 21:01 | 3329 72.1% | 3.861 17m15s | 2156.02 82485 n.a.%
Apr 22 21:01 | 3332 72.2% | 3.877 17m15s | 2147.13 82485 n.a.%
Apr 22 21:01 | 3344 72.3% | 3.904 17m18s | 2132.28 82485 n.a.%
Apr 22 21:01 | 3345 72.4% | 3.954 17m28s | 2105.31 82485 n.a.%
Apr 22 21:01 | 3348 72.5% | 3.991 17m34s | 2085.79 82485 n.a.%
Apr 22 21:01 | 3353 72.6% | 4.001 17m32s | 2080.58 82485 n.a.%
Apr 22 21:01 | 3357 72.7% | 4.001 17m28s | 2080.58 82485 n.a.%
Apr 22 21:01 | 3360 72.8% | 4.004 17m25s | 2079.02 82485 n.a.%
2026-04-22 21:15:22 (2576): wrapper (7.24.26018): starting
2026-04-22 21:15:22 (2576): wrapper: running mfaktc-win-64.exe (-d 0)
2026-04-22 21:15:22 (2576): wrapper: created child process 9692
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 13.1
CUDA device info
name NVIDIA GeForce RTX 2070
compute capability 7.5
max threads per block 1024
max shared memory per MP 65536 bytes
number of multiprocessors 36
clock rate (CUDA cores) 1620 MHz
memory clock rate: 7001 MHz
memory bus width: 256 bits
Automatic parameters
threads per grid 589824
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=165462307 bit_min=76 bit_max=77 (92.49 GHz-days)
Starting trial factoring M165462307 from 2^76 to 2^77 (92.49 GHz-days)
k_min = 228323492808180
k_max = 456646985623827
Using GPU kernel "barrett87_mul32_gs"
found a valid checkpoint file!
last finished class was: 3329
no factors found so far.
previous work took 2919211 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Apr 22 21:15 | 3332 72.2% | 3.625 16m08s | 2296.39 82485 n.a.%
Apr 22 21:15 | 3344 72.3% | 3.588 15m54s | 2320.07 82485 n.a.%
Apr 22 21:15 | 3345 72.4% | 3.605 15m55s | 2309.13 82485 n.a.%
Apr 22 21:15 | 3348 72.5% | 3.606 15m52s | 2308.49 82485 n.a.%
Apr 22 21:15 | 3353 72.6% | 3.615 15m51s | 2302.74 82485 n.a.%
Apr 22 21:15 | 3357 72.7% | 3.629 15m51s | 2293.86 82485 n.a.%
Apr 22 21:15 | 3360 72.8% | 3.634 15m48s | 2290.70 82485 n.a.%
Apr 22 21:15 | 3365 72.9% | 3.643 15m47s | 2285.04 82485 n.a.%
Apr 22 21:15 | 3369 73.0% | 3.646 15m44s | 2283.16 82485 n.a.%
Apr 22 21:16 | 3377 73.1% | 3.651 15m42s | 2280.03 82485 n.a.%
Apr 22 21:16 | 3380 73.2% | 3.663 15m41s | 2272.57 82485 n.a.%
Apr 22 21:16 | 3384 73.3% | 3.673 15m40s | 2266.38 82485 n.a.%
Apr 22 21:16 | 3392 73.4% | 3.673 15m37s | 2266.38 82485 n.a.%
Apr 22 21:16 | 3393 73.5% | 3.686 15m36s | 2258.38 82485 n.a.%
Apr 22 21:16 | 3404 73.6% | 3.690 15m34s | 2255.94 82485 n.a.%
Apr 22 21:16 | 3408 73.8% | 3.690 15m30s | 2255.94 82485 n.a.%
Apr 22 21:16 | 3413 73.9% | 3.744 15m40s | 2223.40 82485 n.a.%
Apr 22 21:16 | 3420 74.0% | 4.095 17m04s | 2032.82 82485 n.a.%
Apr 22 21:16 | 3425 74.1% | 4.168 17m18s | 1997.22 82485 n.a.%
Apr 22 21:16 | 3428 74.2% | 3.826 15m49s | 2175.75 82485 n.a.%
Apr 22 21:16 | 3429 74.3% | 3.849 15m51s | 2162.75 82485 n.a.%
Apr 22 21:16 | 3432 74.4% | 3.856 15m49s | 2158.82 82485 n.a.%
Apr 22 21:17 | 3437 74.5% | 24.254 1h39m | 343.22 82485 n.a.%
Apr 22 21:17 | 3440 74.6% | 3.671 14m56s | 2267.61 82485 n.a.%
Apr 22 21:17 | 3444 74.7% | 3.681 14m54s | 2261.45 82485 n.a.%
Apr 22 21:17 | 3453 74.8% | 3.686 14m52s | 2258.38 82485 n.a.%
Apr 22 21:17 | 3464 74.9% | 3.771 15m09s | 2207.48 82485 n.a.%
2026-04-22 21:26:31 (3156): wrapper (7.24.26018): starting
2026-04-22 21:26:31 (3156): wrapper: running mfaktc-win-64.exe (-d 0)
2026-04-22 21:26:31 (3156): wrapper: created child process 18984
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 13.1
CUDA device info
name NVIDIA GeForce RTX 2070
compute capability 7.5
max threads per block 1024
max shared memory per MP 65536 bytes
number of multiprocessors 36
clock rate (CUDA cores) 1620 MHz
memory clock rate: 7001 MHz
memory bus width: 256 bits
Automatic parameters
threads per grid 589824
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=165462307 bit_min=76 bit_max=77 (92.49 GHz-days)
Starting trial factoring M165462307 from 2^76 to 2^77 (92.49 GHz-days)
k_min = 228323492808180
k_max = 456646985623827
Using GPU kernel "barrett87_mul32_gs"
found a valid checkpoint file!
last finished class was: 3413
no factors found so far.
previous work took 2981272 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Apr 22 21:26 | 3420 74.0% | 3.740 15m35s | 2225.78 82485 n.a.%
Apr 22 21:26 | 3425 74.1% | 3.708 15m23s | 2244.99 82485 n.a.%
Apr 22 21:26 | 3428 74.2% | 3.764 15m33s | 2211.58 82485 n.a.%
Apr 22 21:26 | 3429 74.3% | 3.720 15m19s | 2237.74 82485 n.a.%
Apr 22 21:26 | 3432 74.4% | 3.740 15m20s | 2225.78 82485 n.a.%
Apr 22 21:26 | 3437 74.5% | 3.744 15m17s | 2223.40 82485 n.a.%
Apr 22 21:26 | 3440 74.6% | 3.787 15m24s | 2198.15 82485 n.a.%
Apr 22 21:27 | 3444 74.7% | 3.766 15m15s | 2210.41 82485 n.a.%
Apr 22 21:27 | 3453 74.8% | 3.790 15m17s | 2196.41 82485 n.a.%
Apr 22 21:27 | 3464 74.9% | 3.776 15m10s | 2204.56 82485 n.a.%
Apr 22 21:27 | 3465 75.0% | 3.814 15m15s | 2182.59 82485 n.a.%
Apr 22 21:27 | 3468 75.1% | 3.800 15m08s | 2190.63 82485 n.a.%
Apr 22 21:27 | 3477 75.2% | 3.808 15m06s | 2186.03 82485 n.a.%
Apr 22 21:27 | 3485 75.3% | 3.829 15m07s | 2174.04 82485 n.a.%
Apr 22 21:27 | 3488 75.4% | 3.854 15m10s | 2159.94 82485 n.a.%
Apr 22 21:27 | 3489 75.5% | 3.815 14m57s | 2182.02 82485 n.a.%
Apr 22 21:27 | 3492 75.6% | 3.862 15m04s | 2155.47 82485 n.a.%
Apr 22 21:27 | 3497 75.7% | 3.894 15m07s | 2137.75 82485 n.a.%
Apr 22 21:27 | 3500 75.8% | 3.964 15m20s | 2100.00 82485 n.a.%
Apr 22 21:27 | 3509 75.9% | 3.989 15m21s | 2086.84 82485 n.a.%
Apr 22 21:27 | 3512 76.0% | 4.029 15m27s | 2066.12 82485 n.a.%
Apr 22 21:27 | 3513 76.1% | 4.040 15m25s | 2060.50 82485 n.a.%
Apr 22 21:28 | 3524 76.2% | 4.018 15m16s | 2071.78 82485 n.a.%
Apr 22 21:28 | 3525 76.4% | 4.037 15m16s | 2062.03 82485 n.a.%
Apr 22 21:28 | 3528 76.5% | 4.077 15m21s | 2041.80 82485 n.a.%
Apr 22 21:28 | 3533 76.6% | 4.033 15m07s | 2064.07 82485 n.a.%
Apr 22 21:28 | 3540 76.7% | 4.035 15m04s | 2063.05 82485 n.a.%
Apr 22 21:28 | 3545 76.8% | 4.018 14m56s | 2071.78 82485 n.a.%
Apr 22 21:28 | 3549 76.9% | 4.036 14m56s | 2062.54 82485 n.a.%
Apr 22 21:28 | 3552 77.0% | 4.031 14m51s | 2065.10 82485 n.a.%
Apr 22 21:28 | 3560 77.1% | 4.032 14m47s | 2064.58 82485 n.a.%
Apr 22 21:28 | 3569 77.2% | 4.080 14m54s | 2040.30 82485 n.a.%
Apr 22 21:28 | 3572 77.3% | 4.022 14m37s | 2069.72 82485 n.a.%
Apr 22 21:28 | 3573 77.4% | 4.036 14m36s | 2062.54 82485 n.a.%
Apr 22 21:28 | 3584 77.5% | 4.034 14m31s | 2063.56 82485 n.a.%
Apr 22 21:28 | 3588 77.6% | 4.035 14m28s | 2063.05 82485 n.a.%
Apr 22 21:28 | 3593 77.7% | 4.073 14m32s | 2043.80 82485 n.a.%
Apr 22 21:29 | 3597 77.8% | 4.024 14m17s | 2068.69 82485 n.a.%
Apr 22 21:29 | 3600 77.9% | 4.064 14m22s | 2048.33 82485 n.a.%
Apr 22 21:29 | 3605 78.0% | 4.066 14m18s | 2047.32 82485 n.a.%
Apr 22 21:29 | 3608 78.1% | 4.080 14m17s | 2040.30 82485 n.a.%
Apr 22 21:29 | 3609 78.2% | 4.096 14m16s | 2032.33 82485 n.a.%
Apr 22 21:29 | 3612 78.3% | 4.082 14m09s | 2039.30 82485 n.a.%
Apr 22 21:29 | 3617 78.4% | 4.126 14m14s | 2017.55 82485 n.a.%
Apr 22 21:29 | 3624 78.5% | 4.103 14m05s | 2028.86 82485 n.a.%
Apr 22 21:29 | 3629 78.6% | 4.170 14m15s | 1996.26 82485 n.a.%
Apr 22 21:29 | 3632 78.8% | 4.127 14m02s | 2017.06 82485 n.a.%
Apr 22 21:29 | 3633 78.9% | 4.120 13m56s | 2020.49 82485 n.a.%
Apr 22 21:29 | 3644 79.0% | 4.142 13m57s | 2009.76 82485 n.a.%
Apr 22 21:29 | 3645 79.1% | 4.124 13m49s | 2018.53 82485 n.a.%
Apr 22 21:29 | 3653 79.2% | 4.169 13m54s | 1996.74 82485 n.a.%
Apr 22 21:29 | 3657 79.3% | 4.157 13m47s | 2002.50 82485 n.a.%
Apr 22 21:30 | 3660 79.4% | 4.148 13m41s | 2006.85 82485 n.a.%
Apr 22 21:30 | 3665 79.5% | 4.147 13m37s | 2007.33 82485 n.a.%
Apr 22 21:30 | 3668 79.6% | 4.149 13m33s | 2006.36 82485 n.a.%
Apr 22 21:30 | 3672 79.7% | 4.150 13m29s | 2005.88 82485 n.a.%
Apr 22 21:30 | 3677 79.8% | 4.164 13m28s | 1999.14 82485 n.a.%
Apr 22 21:30 | 3684 79.9% | 4.172 13m25s | 1995.30 82485 n.a.%
Apr 22 21:30 | 3689 80.0% | 4.167 13m20s | 1997.70 82485 n.a.%
Apr 22 21:30 | 3692 80.1% | 4.187 13m20s | 1988.16 82485 n.a.%
Apr 22 21:30 | 3693 80.2% | 4.172 13m13s | 1995.30 82485 n.a.%
Apr 22 21:30 | 3705 80.3% | 4.167 13m08s | 1997.70 82485 n.a.%
Apr 22 21:30 | 3708 80.4% | 4.193 13m08s | 1985.31 82485 n.a.%
Apr 22 21:30 | 3717 80.5% | 4.176 13m01s | 1993.39 82485 n.a.%
Apr 22 21:30 | 3720 80.6% | 4.215 13m04s | 1974.95 82485 n.a.%
Apr 22 21:30 | 3728 80.7% | 4.195 12m56s | 1984.36 82485 n.a.%
Apr 22 21:31 | 3729 80.8% | 4.179 12m49s | 1991.96 82485 n.a.%
Apr 22 21:31 | 3737 80.9% | 4.170 12m43s | 1996.26 82485 n.a.%
Apr 22 21:31 | 3740 81.0% | 4.186 12m42s | 1988.63 82485 n.a.%
Apr 22 21:31 | 3744 81.1% | 4.214 12m43s | 1975.42 82485 n.a.%
Apr 22 21:31 | 3749 81.2% | 4.197 12m35s | 1983.42 82485 n.a.%
Apr 22 21:31 | 3752 81.4% | 4.208 12m33s | 1978.23 82485 n.a.%
Apr 22 21:31 | 3764 81.5% | 4.187 12m25s | 1988.16 82485 n.a.%
Apr 22 21:31 | 3765 81.6% | 4.189 12m21s | 1987.21 82485 n.a.%
Apr 22 21:31 | 3773 81.7% | 4.185 12m17s | 1989.11 82485 n.a.%
Apr 22 21:31 | 3777 81.8% | 4.210 12m17s | 1977.29 82485 n.a.%
Apr 22 21:31 | 3780 81.9% | 4.183 12m08s | 1990.06 82485 n.a.%
Apr 22 21:31 | 3785 82.0% | 4.199 12m06s | 1982.47 82485 n.a.%
Apr 22 21:31 | 3789 82.1% | 4.202 12m03s | 1981.06 82485 n.a.%
Apr 22 21:31 | 3792 82.2% | 4.199 11m58s | 1982.47 82485 n.a.%
Apr 22 21:32 | 3797 82.3% | 4.197 11m53s | 1983.42 82485 n.a.%
Apr 22 21:32 | 3800 82.4% | 4.217 11m53s | 1974.01 82485 n.a.%
Apr 22 21:32 | 3804 82.5% | 4.198 11m45s | 1982.95 82485 n.a.%
Apr 22 21:32 | 3813 82.6% | 4.204 11m42s | 1980.12 82485 n.a.%
Apr 22 21:32 | 3824 82.7% | 4.205 11m38s | 1979.64 82485 n.a.%
Apr 22 21:32 | 3825 82.8% | 4.213 11m35s | 1975.89 82485 n.a.%
Apr 22 21:32 | 3828 82.9% | 4.266 11m40s | 1951.34 82485 n.a.%
Apr 22 21:32 | 3833 83.0% | 4.218 11m28s | 1973.54 82485 n.a.%
Apr 22 21:32 | 3840 83.1% | 4.176 11m17s | 1993.39 82485 n.a.%
Apr 22 21:32 | 3848 83.2% | 4.078 10m57s | 2041.30 82485 n.a.%
Apr 22 21:32 | 3849 83.3% | 4.080 10m53s | 2040.30 82485 n.a.%
Apr 22 21:32 | 3852 83.4% | 4.107 10m53s | 2026.88 82485 n.a.%
Apr 22 21:32 | 3857 83.5% | 4.157 10m57s | 2002.50 82485 n.a.%
Apr 22 21:32 | 3860 83.6% | 4.132 10m49s | 2014.62 82485 n.a.%
Apr 22 21:32 | 3864 83.8% | 4.158 10m49s | 2002.02 82485 n.a.%
Apr 22 21:33 | 3869 83.9% | 4.165 10m46s | 1998.66 82485 n.a.%
Apr 22 21:33 | 3873 84.0% | 4.200 10m47s | 1982.00 82485 n.a.%
Apr 22 21:33 | 3884 84.1% | 4.181 10m40s | 1991.01 82485 n.a.%
Apr 22 21:33 | 3885 84.2% | 4.232 10m43s | 1967.01 82485 n.a.%
Apr 22 21:33 | 3888 84.3% | 4.189 10m33s | 1987.21 82485 n.a.%
Apr 22 21:33 | 3897 84.4% | 4.200 10m30s | 1982.00 82485 n.a.%
Apr 22 21:33 | 3905 84.5% | 4.210 10m27s | 1977.29 82485 n.a.%
Apr 22 21:33 | 3908 84.6% | 4.206 10m22s | 1979.17 82485 n.a.%
Apr 22 21:33 | 3909 84.7% | 4.257 10m26s | 1955.46 82485 n.a.%
Apr 22 21:33 | 3912 84.8% | 4.213 10m15s | 1975.89 82485 n.a.%
Apr 22 21:33 | 3917 84.9% | 4.232 10m14s | 1967.01 82485 n.a.%
Apr 22 21:33 | 3920 85.0% | 4.147 9m57s | 2007.33 82485 n.a.%
Apr 22 21:33 | 3924 85.1% | 4.069 9m42s | 2045.81 82485 n.a.%
Apr 22 21:33 | 3929 85.2% | 4.096 9m42s | 2032.33 82485 n.a.%
Apr 22 21:34 | 3932 85.3% | 4.126 9m42s | 2017.55 82485 n.a.%
Apr 22 21:34 | 3945 85.4% | 4.129 9m38s | 2016.08 82485 n.a.%
Apr 22 21:34 | 3948 85.5% | 4.140 9m35s | 2010.73 82485 n.a.%
Apr 22 21:34 | 3953 85.6% | 4.173 9m36s | 1994.83 82485 n.a.%
Apr 22 21:34 | 3957 85.7% | 4.188 9m34s | 1987.68 82485 n.a.%
Apr 22 21:34 | 3960 85.8% | 4.215 9m33s | 1974.95 82485 n.a.%
Apr 22 21:34 | 3965 85.9% | 4.194 9m26s | 1984.84 82485 n.a.%
Apr 22 21:34 | 3968 86.0% | 4.195 9m22s | 1984.36 82485 n.a.%
Apr 22 21:34 | 3969 86.1% | 4.206 9m19s | 1979.17 82485 n.a.%
Apr 22 21:34 | 3972 86.2% | 4.251 9m21s | 1958.22 82485 n.a.%
Apr 22 21:34 | 3980 86.4% | 4.205 9m11s | 1979.64 82485 n.a.%
Apr 22 21:34 | 3989 86.5% | 4.219 9m08s | 1973.08 82485 n.a.%
Apr 22 21:34 | 3992 86.6% | 4.241 9m07s | 1962.84 82485 n.a.%
Apr 22 21:34 | 3993 86.7% | 4.219 9m00s | 1973.08 82485 n.a.%
Apr 22 21:35 | 4004 86.8% | 4.176 8m50s | 1993.39 82485 n.a.%
Apr 22 21:35 | 4008 86.9% | 4.079 8m34s | 2040.80 82485 n.a.%
Apr 22 21:35 | 4013 87.0% | 4.105 8m33s | 2027.87 82485 n.a.%
Apr 22 21:35 | 4017 87.1% | 4.156 8m35s | 2002.99 82485 n.a.%
Apr 22 21:35 | 4020 87.2% | 4.147 8m30s | 2007.33 82485 n.a.%
Apr 22 21:35 | 4025 87.3% | 4.166 8m28s | 1998.18 82485 n.a.%
Apr 22 21:35 | 4028 87.4% | 4.182 8m26s | 1990.53 82485 n.a.%
Apr 22 21:35 | 4029 87.5% | 4.201 8m24s | 1981.53 82485 n.a.%
Apr 22 21:35 | 4037 87.6% | 4.167 8m16s | 1997.70 82485 n.a.%
Apr 22 21:35 | 4044 87.7% | 4.210 8m17s | 1977.29 82485 n.a.%
Apr 22 21:35 | 4049 87.8% | 4.198 8m11s | 1982.95 82485 n.a.%
Apr 22 21:35 | 4052 87.9% | 4.226 8m10s | 1969.81 82485 n.a.%
Apr 22 21:35 | 4053 88.0% | 4.206 8m04s | 1979.17 82485 n.a.%
Apr 22 21:35 | 4064 88.1% | 4.169 7m55s | 1996.74 82485 n.a.%
Apr 22 21:35 | 4073 88.2% | 4.099 7m43s | 2030.84 82485 n.a.%
Apr 22 21:36 | 4077 88.3% | 4.148 7m45s | 2006.85 82485 n.a.%
Apr 22 21:36 | 4080 88.4% | 4.133 7m39s | 2014.13 82485 n.a.%
Apr 22 21:36 | 4085 88.5% | 4.140 7m35s | 2010.73 82485 n.a.%
Apr 22 21:36 | 4088 88.6% | 4.167 7m34s | 1997.70 82485 n.a.%
Apr 22 21:36 | 4092 88.8% | 4.183 7m32s | 1990.06 82485 n.a.%
Apr 22 21:36 | 4097 88.9% | 4.166 7m26s | 1998.18 82485 n.a.%
Apr 22 21:36 | 4100 89.0% | 4.185 7m24s | 1989.11 82485 n.a.%
Apr 22 21:36 | 4104 89.1% | 4.197 7m21s | 1983.42 82485 n.a.%
Apr 22 21:36 | 4112 89.2% | 4.228 7m20s | 1968.88 82485 n.a.%
Apr 22 21:36 | 4113 89.3% | 4.241 7m17s | 1962.84 82485 n.a.%
Apr 22 21:36 | 4125 89.4% | 4.186 7m07s | 1988.63 82485 n.a.%
Apr 22 21:36 | 4128 89.5% | 4.084 6m52s | 2038.30 82485 n.a.%
Apr 22 21:36 | 4133 89.6% | 4.127 6m53s | 2017.06 82485 n.a.%
Apr 22 21:36 | 4137 89.7% | 4.121 6m48s | 2020.00 82485 n.a.%
Apr 22 21:37 | 4140 89.8% | 4.134 6m45s | 2013.64 82485 n.a.%
Apr 22 21:37 | 4148 89.9% | 4.165 6m44s | 1998.66 82485 n.a.%
Apr 22 21:37 | 4149 90.0% | 4.169 6m40s | 1996.74 82485 n.a.%
Apr 22 21:37 | 4157 90.1% | 4.196 6m39s | 1983.89 82485 n.a.%
Apr 22 21:37 | 4160 90.2% | 4.182 6m33s | 1990.53 82485 n.a.%
Apr 22 21:37 | 4169 90.3% | 4.183 6m29s | 1990.06 82485 n.a.%
Apr 22 21:37 | 4172 90.4% | 4.229 6m29s | 1968.41 82485 n.a.%
Apr 22 21:37 | 4184 90.5% | 4.194 6m22s | 1984.84 82485 n.a.%
Apr 22 21:37 | 4185 90.6% | 4.219 6m20s | 1973.08 82485 n.a.%
Apr 22 21:37 | 4188 90.7% | 4.223 6m16s | 1971.21 82485 n.a.%
Apr 22 21:37 | 4193 90.8% | 4.238 6m13s | 1964.23 82485 n.a.%
Apr 22 21:37 | 4200 90.9% | 4.222 6m07s | 1971.67 82485 n.a.%
Apr 22 21:37 | 4205 91.0% | 4.219 6m03s | 1973.08 82485 n.a.%
Apr 22 21:37 | 4209 91.1% | 4.237 6m00s | 1964.69 82485 n.a.%
Apr 22 21:38 | 4212 91.2% | 4.212 5m54s | 1976.35 82485 n.a.%
Apr 22 21:38 | 4217 91.4% | 4.234 5m51s | 1966.09 82485 n.a.%
Apr 22 21:38 | 4220 91.5% | 4.224 5m46s | 1970.74 82485 n.a.%
Apr 22 21:38 | 4224 91.6% | 4.216 5m41s | 1974.48 82485 n.a.%
Apr 22 21:38 | 4232 91.7% | 4.225 5m38s | 1970.27 82485 n.a.%
Apr 22 21:38 | 4233 91.8% | 4.207 5m32s | 1978.70 82485 n.a.%
Apr 22 21:38 | 4244 91.9% | 4.263 5m33s | 1952.71 82485 n.a.%
Apr 22 21:38 | 4245 92.0% | 4.199 5m23s | 1982.47 82485 n.a.%
Apr 22 21:38 | 4248 92.1% | 4.199 5m19s | 1982.47 82485 n.a.%
Apr 22 21:38 | 4253 92.2% | 4.219 5m16s | 1973.08 82485 n.a.%
Apr 22 21:38 | 4260 92.3% | 4.223 5m13s | 1971.21 82485 n.a.%
Apr 22 21:38 | 4265 92.4% | 4.197 5m06s | 1983.42 82485 n.a.%
Apr 22 21:38 | 4268 92.5% | 4.194 5m02s | 1984.84 82485 n.a.%
Apr 22 21:38 | 4269 92.6% | 4.224 5m00s | 1970.74 82485 n.a.%
Apr 22 21:38 | 4272 92.7% | 4.201 4m54s | 1981.53 82485 n.a.%
Apr 22 21:39 | 4277 92.8% | 4.231 4m52s | 1967.48 82485 n.a.%
Apr 22 21:39 | 4280 92.9% | 4.205 4m46s | 1979.64 82485 n.a.%
Apr 22 21:39 | 4284 93.0% | 4.267 4m46s | 1950.88 82485 n.a.%
Apr 22 21:39 | 4289 93.1% | 4.214 4m38s | 1975.42 82485 n.a.%
Apr 22 21:39 | 4293 93.2% | 4.198 4m33s | 1982.95 82485 n.a.%
Apr 22 21:39 | 4304 93.3% | 4.239 4m31s | 1963.77 82485 n.a.%
Apr 22 21:39 | 4305 93.4% | 4.206 4m25s | 1979.17 82485 n.a.%
Apr 22 21:39 | 4308 93.5% | 4.202 4m21s | 1981.06 82485 n.a.%
Apr 22 21:39 | 4317 93.6% | 4.218 4m17s | 1973.54 82485 n.a.%
Apr 22 21:39 | 4325 93.8% | 4.215 4m13s | 1974.95 82485 n.a.%
Apr 22 21:39 | 4328 93.9% | 4.213 4m09s | 1975.89 82485 n.a.%
Apr 22 21:39 | 4332 94.0% | 4.195 4m03s | 1984.36 82485 n.a.%
Apr 22 21:39 | 4337 94.1% | 4.216 4m00s | 1974.48 82485 n.a.%
Apr 22 21:39 | 4344 94.2% | 4.195 3m55s | 1984.36 82485 n.a.%
Apr 22 21:40 | 4349 94.3% | 4.183 3m50s | 1990.06 82485 n.a.%
Apr 22 21:40 | 4352 94.4% | 4.233 3m49s | 1966.55 82485 n.a.%
Apr 22 21:40 | 4353 94.5% | 4.177 3m41s | 1992.91 82485 n.a.%
Apr 22 21:40 | 4364 94.6% | 4.181 3m37s | 1991.01 82485 n.a.%
Apr 22 21:40 | 4365 94.7% | 4.185 3m33s | 1989.11 82485 n.a.%
Apr 22 21:40 | 4368 94.8% | 4.188 3m29s | 1987.68 82485 n.a.%
Apr 22 21:40 | 4377 94.9% | 4.225 3m27s | 1970.27 82485 n.a.%
Apr 22 21:40 | 4380 95.0% | 4.178 3m21s | 1992.44 82485 n.a.%
Apr 22 21:40 | 4385 95.1% | 4.180 3m16s | 1991.48 82485 n.a.%
Apr 22 21:40 | 4388 95.2% | 4.170 3m12s | 1996.26 82485 n.a.%
Apr 22 21:40 | 4389 95.3% | 4.185 3m08s | 1989.11 82485 n.a.%
2026-04-22 21:50:04 (9336): wrapper (7.24.26018): starting
2026-04-22 21:50:04 (9336): wrapper: running mfaktc-win-64.exe (-d 0)
2026-04-22 21:50:04 (9336): wrapper: created child process 11520
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 13.1
CUDA device info
name NVIDIA GeForce RTX 2070
compute capability 7.5
max threads per block 1024
max shared memory per MP 65536 bytes
number of multiprocessors 36
clock rate (CUDA cores) 1620 MHz
memory clock rate: 7001 MHz
memory bus width: 256 bits
Automatic parameters
threads per grid 589824
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=165462307 bit_min=76 bit_max=77 (92.49 GHz-days)
Starting trial factoring M165462307 from 2^76 to 2^77 (92.49 GHz-days)
k_min = 228323492808180
k_max = 456646985623827
Using GPU kernel "barrett87_mul32_gs"
found a valid checkpoint file!
last finished class was: 4349
no factors found so far.
previous work took 3790803 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Apr 22 21:50 | 4352 94.4% | 3.639 3m17s | 2287.55 82485 n.a.%
Apr 22 21:50 | 4353 94.5% | 3.593 3m10s | 2316.84 82485 n.a.%
Apr 22 21:50 | 4364 94.6% | 3.602 3m07s | 2311.05 82485 n.a.%
Apr 22 21:50 | 4365 94.7% | 3.610 3m04s | 2305.93 82485 n.a.%
Apr 22 21:50 | 4368 94.8% | 3.622 3m01s | 2298.29 82485 n.a.%
Apr 22 21:50 | 4377 94.9% | 3.633 2m58s | 2291.33 82485 n.a.%
Apr 22 21:50 | 4380 95.0% | 3.638 2m55s | 2288.18 82485 n.a.%
Apr 22 21:50 | 4385 95.1% | 3.647 2m51s | 2282.54 82485 n.a.%
Apr 22 21:50 | 4388 95.2% | 3.650 2m48s | 2280.66 82485 n.a.%
Apr 22 21:50 | 4389 95.3% | 3.658 2m45s | 2275.67 82485 n.a.%
Apr 22 21:50 | 4392 95.4% | 3.671 2m42s | 2267.61 82485 n.a.%
Apr 22 21:50 | 4400 95.5% | 3.676 2m38s | 2264.53 82485 n.a.%
Apr 22 21:50 | 4409 95.6% | 3.683 2m35s | 2260.22 82485 n.a.%
Apr 22 21:50 | 4412 95.7% | 3.683 2m31s | 2260.22 82485 n.a.%
Apr 22 21:51 | 4413 95.8% | 3.689 2m28s | 2256.55 82485 n.a.%
Apr 22 21:51 | 4424 95.9% | 3.719 2m25s | 2238.35 82485 n.a.%
Apr 22 21:51 | 4433 96.0% | 3.761 2m23s | 2213.35 82485 n.a.%
Apr 22 21:51 | 4437 96.1% | 3.796 2m20s | 2192.94 82485 n.a.%
Apr 22 21:51 | 4440 96.2% | 3.838 2m18s | 2168.94 82485 n.a.%
Apr 22 21:51 | 4445 96.4% | 3.850 2m15s | 2162.18 82485 n.a.%
Apr 22 21:51 | 4448 96.5% | 3.850 2m11s | 2162.18 82485 n.a.%
Apr 22 21:51 | 4449 96.6% | 3.854 2m07s | 2159.94 82485 n.a.%
Apr 22 21:51 | 4452 96.7% | 3.870 2m04s | 2151.01 82485 n.a.%
Apr 22 21:51 | 4457 96.8% | 3.872 2m00s | 2149.90 82485 n.a.%
Apr 22 21:51 | 4464 96.9% | 3.870 1m56s | 2151.01 82485 n.a.%
Apr 22 21:51 | 4469 97.0% | 3.870 1m52s | 2151.01 82485 n.a.%
Apr 22 21:51 | 4473 97.1% | 3.870 1m48s | 2151.01 82485 n.a.%
Apr 22 21:51 | 4484 97.2% | 3.870 1m44s | 2151.01 82485 n.a.%
Apr 22 21:51 | 4485 97.3% | 3.870 1m41s | 2151.01 82485 n.a.%
Apr 22 21:51 | 4493 97.4% | 3.870 1m37s | 2151.01 82485 n.a.%
Apr 22 21:52 | 4497 97.5% | 3.872 1m33s | 2149.90 82485 n.a.%
Apr 22 21:52 | 4500 97.6% | 3.880 1m29s | 2145.47 82485 n.a.%
Apr 22 21:52 | 4508 97.7% | 4.017 1m28s | 2072.29 82485 n.a.%
Apr 22 21:52 | 4512 97.8% | 3.945 1m23s | 2110.12 82485 n.a.%
Apr 22 21:52 | 4517 97.9% | 3.957 1m19s | 2103.72 82485 n.a.%
Apr 22 21:52 | 4520 98.0% | 3.971 1m15s | 2096.30 82485 n.a.%
Apr 22 21:52 | 4524 98.1% | 3.988 1m12s | 2087.36 82485 n.a.%
Apr 22 21:52 | 4529 98.2% | 3.998 1m08s | 2082.14 82485 n.a.%
Apr 22 21:52 | 4532 98.3% | 4.005 1m04s | 2078.50 82485 n.a.%
Apr 22 21:52 | 4533 98.4% | 4.006 1m00s | 2077.98 82485 n.a.%
Apr 22 21:52 | 4545 98.5% | 4.016 0m56s | 2072.81 82485 n.a.%
Apr 22 21:52 | 4548 98.6% | 4.023 0m52s | 2069.20 82485 n.a.%
Apr 22 21:52 | 4553 98.8% | 4.033 0m48s | 2064.07 82485 n.a.%
Apr 22 21:52 | 4557 98.9% | 4.030 0m44s | 2065.61 82485 n.a.%
Apr 22 21:52 | 4568 99.0% | 4.041 0m40s | 2059.99 82485 n.a.%
Apr 22 21:53 | 4569 99.1% | 4.088 0m37s | 2036.30 82485 n.a.%
2026-04-22 22:04:33 (19860): wrapper (7.24.26018): starting
2026-04-22 22:04:33 (19860): wrapper: running mfaktc-win-64.exe (-d 0)
2026-04-22 22:04:33 (19860): wrapper: created child process 20324
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 13.1
CUDA device info
name NVIDIA GeForce RTX 2070
compute capability 7.5
max threads per block 1024
max shared memory per MP 65536 bytes
number of multiprocessors 36
clock rate (CUDA cores) 1620 MHz
memory clock rate: 7001 MHz
memory bus width: 256 bits
Automatic parameters
threads per grid 589824
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=165462307 bit_min=76 bit_max=77 (92.49 GHz-days)
Starting trial factoring M165462307 from 2^76 to 2^77 (92.49 GHz-days)
k_min = 228323492808180
k_max = 456646985623827
Using GPU kernel "barrett87_mul32_gs"
found a valid checkpoint file!
last finished class was: 4508
no factors found so far.
previous work took 3914896 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Apr 22 22:04 | 4512 97.8% | 3.972 1m23s | 2095.77 82485 n.a.%
Apr 22 22:04 | 4517 97.9% | 3.911 1m18s | 2128.46 82485 n.a.%
Apr 22 22:04 | 4520 98.0% | 3.891 1m14s | 2139.40 82485 n.a.%
Apr 22 22:04 | 4524 98.1% | 3.895 1m10s | 2137.20 82485 n.a.%
Apr 22 22:04 | 4529 98.2% | 3.923 1m07s | 2121.95 82485 n.a.%
Apr 22 22:04 | 4532 98.3% | 3.923 1m03s | 2121.95 82485 n.a.%
2026-04-23 18:47:18 (3844): wrapper (7.24.26018): starting
2026-04-23 18:47:18 (3844): wrapper: running mfaktc-win-64.exe (-d 0)
2026-04-23 18:47:18 (3844): wrapper: created child process 9668
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 13.1
CUDA device info
name NVIDIA GeForce RTX 2070
compute capability 7.5
max threads per block 1024
max shared memory per MP 65536 bytes
number of multiprocessors 36
clock rate (CUDA cores) 1620 MHz
memory clock rate: 7001 MHz
memory bus width: 256 bits
Automatic parameters
threads per grid 589824
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=165462307 bit_min=76 bit_max=77 (92.49 GHz-days)
Starting trial factoring M165462307 from 2^76 to 2^77 (92.49 GHz-days)
k_min = 228323492808180
k_max = 456646985623827
Using GPU kernel "barrett87_mul32_gs"
found a valid checkpoint file!
last finished class was: 4508
no factors found so far.
previous work took 3914896 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Apr 23 18:47 | 4512 97.8% | 3.729 1m18s | 2232.34 82485 n.a.%
Apr 23 18:47 | 4517 97.9% | 3.703 1m14s | 2248.02 82485 n.a.%
Apr 23 18:47 | 4520 98.0% | 3.709 1m10s | 2244.38 82485 n.a.%
Apr 23 18:47 | 4524 98.1% | 3.768 1m08s | 2209.24 82485 n.a.%
Apr 23 18:47 | 4529 98.2% | 3.730 1m03s | 2231.74 82485 n.a.%
Apr 23 18:47 | 4532 98.3% | 3.741 1m00s | 2225.18 82485 n.a.%
Apr 23 18:47 | 4533 98.4% | 3.770 0m57s | 2208.07 82485 n.a.%
Apr 23 18:47 | 4545 98.5% | 3.753 0m53s | 2218.07 82485 n.a.%
Apr 23 18:47 | 4548 98.6% | 3.758 0m49s | 2215.12 82485 n.a.%
Apr 23 18:47 | 4553 98.8% | 3.806 0m46s | 2187.18 82485 n.a.%
Apr 23 18:48 | 4557 98.9% | 3.785 0m42s | 2199.31 82485 n.a.%
Apr 23 18:48 | 4568 99.0% | 3.790 0m38s | 2196.41 82485 n.a.%
Apr 23 18:48 | 4569 99.1% | 3.799 0m34s | 2191.21 82485 n.a.%
Apr 23 18:48 | 4577 99.2% | 3.820 0m31s | 2179.16 82485 n.a.%
Apr 23 18:48 | 4580 99.3% | 3.836 0m27s | 2170.07 82485 n.a.%
Apr 23 18:48 | 4584 99.4% | 3.822 0m23s | 2178.02 82485 n.a.%
Apr 23 18:48 | 4589 99.5% | 3.833 0m19s | 2171.77 82485 n.a.%
Apr 23 18:48 | 4592 99.6% | 3.838 0m15s | 2168.94 82485 n.a.%
2026-04-23 19:00:06 (8056): wrapper (7.24.26018): starting
2026-04-23 19:00:06 (8056): wrapper: running mfaktc-win-64.exe (-d 0)
2026-04-23 19:00:06 (8056): wrapper: created child process 12068
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 13.1
CUDA device info
name NVIDIA GeForce RTX 2070
compute capability 7.5
max threads per block 1024
max shared memory per MP 65536 bytes
number of multiprocessors 36
clock rate (CUDA cores) 1620 MHz
memory clock rate: 7001 MHz
memory bus width: 256 bits
Automatic parameters
threads per grid 589824
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=165462307 bit_min=76 bit_max=77 (92.49 GHz-days)
Starting trial factoring M165462307 from 2^76 to 2^77 (92.49 GHz-days)
k_min = 228323492808180
k_max = 456646985623827
Using GPU kernel "barrett87_mul32_gs"
found a valid checkpoint file!
last finished class was: 4584
no factors found so far.
previous work took 3975215 ms
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Apr 23 19:00 | 4589 99.5% | 3.606 0m18s | 2308.49 82485 n.a.%
Apr 23 19:00 | 4592 99.6% | 3.586 0m14s | 2321.36 82485 n.a.%
Apr 23 19:00 | 4605 99.7% | 3.590 0m11s | 2318.78 82485 n.a.%
Apr 23 19:00 | 4608 99.8% | 3.606 0m07s | 2308.49 82485 n.a.%
Apr 23 19:00 | 4613 99.9% | 3.616 0m04s | 2302.10 82485 n.a.%
Apr 23 19:00 | 4617 100.0% | 3.624 0m00s | 2297.02 82485 n.a.%
no factor for M165462307 from 2^76 to 2^77
tf(): time spent since restart: 0m 21.643s
estimated total time spent: 57m 42.880s
ERROR: get_next_assignment(): no valid assignment found in "worktodo.txt"
2026-04-23 19:00:29 (8056): mfaktc-win-64.exe exited; CPU time 1.265625
2026-04-23 19:00:29 (8056): called boinc_finish(0)
</stderr_txt>
]]>
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