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- Msieve v. 1.53 (SVN 1005)
- Tue Jul 18 14:07:54 2023
- random seeds: 8ce2b0c4 d70fd24f
- factoring 2045617183379621340739851731682683476058770311491715932906355206610919291197178161669143133925518394853595837934593769322658266511700847582090023 (145 digits)
- searching for 15-digit factors
- commencing number field sieve (145-digit input)
- R0: -6553867227187827772076939287
- R1: 133768967348066089787
- A0: 18457895325690492123403135508184
- A1: -693864896740981682002085229
- A2: -76049339974208991038206
- A3: 294532598827924811
- A4: 5564610874980
- A5: 10036800
- skew 118375.46, size 5.184e-014, alpha -6.635, combined = 1.168e-011 rroots = 5
- commencing relation filtering
- setting target matrix density to 110.0
- estimated available RAM is 16335.2 MB
- commencing duplicate removal, pass 1
- read 10M relations
- error -5 reading relation 10565990
- error -15 reading relation 10571410
- error -5 reading relation 10605264
- error -1 reading relation 13997050
- error -9 reading relation 16809959
- read 20M relations
- read 30M relations
- read 40M relations
- read 50M relations
- error -9 reading relation 57652475
- error -15 reading relation 58128782
- error -9 reading relation 58372064
- read 60M relations
- read 70M relations
- error -9 reading relation 73421788
- read 80M relations
- error -1 reading relation 88181454
- read 90M relations
- read 100M relations
- error -9 reading relation 108892911
- error -15 reading relation 108896578
- error -1 reading relation 109631175
- read 110M relations
- skipped 6 relations with composite factors
- found 8829172 hash collisions in 110440132 relations
- added 122055 free relations
- commencing duplicate removal, pass 2
- found 4363132 duplicates and 106199055 unique relations
- memory use: 394.4 MB
- reading ideals above 59965440
- commencing singleton removal, initial pass
- memory use: 1506.0 MB
- reading all ideals from disk
- memory use: 1739.8 MB
- commencing in-memory singleton removal
- begin with 106199055 relations and 77964489 unique ideals
- reduce to 74389390 relations and 43679030 ideals in 10 passes
- max relations containing the same ideal: 148
- reading ideals above 720000
- commencing singleton removal, initial pass
- memory use: 1378.0 MB
- reading all ideals from disk
- memory use: 2642.3 MB
- keeping 50434318 ideals with weight <= 200, target excess is 363976
- commencing in-memory singleton removal
- begin with 74389390 relations and 50434318 unique ideals
- reduce to 74388923 relations and 50433851 ideals in 5 passes
- max relations containing the same ideal: 200
- removing 6876600 relations and 4876600 ideals in 2000000 cliques
- commencing in-memory singleton removal
- begin with 67512323 relations and 50433851 unique ideals
- reduce to 67019620 relations and 45048274 ideals in 7 passes
- max relations containing the same ideal: 197
- removing 5674643 relations and 3674643 ideals in 2000000 cliques
- commencing in-memory singleton removal
- begin with 61344977 relations and 45048274 unique ideals
- reduce to 61014051 relations and 41032903 ideals in 6 passes
- max relations containing the same ideal: 185
- removing 5354957 relations and 3354957 ideals in 2000000 cliques
- commencing in-memory singleton removal
- begin with 55659094 relations and 41032903 unique ideals
- reduce to 55373104 relations and 37383347 ideals in 6 passes
- max relations containing the same ideal: 175
- removing 5180984 relations and 3180984 ideals in 2000000 cliques
- commencing in-memory singleton removal
- begin with 50192120 relations and 37383347 unique ideals
- reduce to 49925145 relations and 33927029 ideals in 6 passes
- max relations containing the same ideal: 163
- removing 5060318 relations and 3060318 ideals in 2000000 cliques
- commencing in-memory singleton removal
- begin with 44864827 relations and 33927029 unique ideals
- reduce to 44602687 relations and 30595525 ideals in 6 passes
- max relations containing the same ideal: 152
- removing 4974191 relations and 2974191 ideals in 2000000 cliques
- commencing in-memory singleton removal
- begin with 39628496 relations and 30595525 unique ideals
- reduce to 39361728 relations and 27344697 ideals in 6 passes
- max relations containing the same ideal: 142
- removing 4911203 relations and 2911203 ideals in 2000000 cliques
- commencing in-memory singleton removal
- begin with 34450525 relations and 27344697 unique ideals
- reduce to 34171675 relations and 24143146 ideals in 6 passes
- max relations containing the same ideal: 127
- removing 4855741 relations and 2855741 ideals in 2000000 cliques
- commencing in-memory singleton removal
- begin with 29315934 relations and 24143146 unique ideals
- reduce to 29014223 relations and 20972165 ideals in 6 passes
- max relations containing the same ideal: 115
- removing 4815103 relations and 2815103 ideals in 2000000 cliques
- commencing in-memory singleton removal
- begin with 24199120 relations and 20972165 unique ideals
- reduce to 23861204 relations and 17801499 ideals in 6 passes
- max relations containing the same ideal: 98
- removing 4781129 relations and 2781129 ideals in 2000000 cliques
- commencing in-memory singleton removal
- begin with 19080075 relations and 17801499 unique ideals
- reduce to 18682081 relations and 14597421 ideals in 7 passes
- max relations containing the same ideal: 85
- removing 4753215 relations and 2753215 ideals in 2000000 cliques
- commencing in-memory singleton removal
- begin with 13928866 relations and 14597421 unique ideals
- reduce to 13423710 relations and 11299606 ideals in 8 passes
- max relations containing the same ideal: 68
- removing 4094422 relations and 2392531 ideals in 1701891 cliques
- commencing in-memory singleton removal
- begin with 9329288 relations and 11299606 unique ideals
- reduce to 8704053 relations and 8221643 ideals in 8 passes
- max relations containing the same ideal: 52
- removing 301942 relations and 241745 ideals in 60197 cliques
- commencing in-memory singleton removal
- begin with 8402111 relations and 8221643 unique ideals
- reduce to 8389487 relations and 7967152 ideals in 6 passes
- max relations containing the same ideal: 49
- relations with 0 large ideals: 1193
- relations with 1 large ideals: 8294
- relations with 2 large ideals: 108554
- relations with 3 large ideals: 557765
- relations with 4 large ideals: 1472172
- relations with 5 large ideals: 2244862
- relations with 6 large ideals: 2137735
- relations with 7+ large ideals: 1858912
- commencing 2-way merge
- reduce to 5996498 relation sets and 5574163 unique ideals
- commencing full merge
- memory use: 682.7 MB
- found 2665181 cycles, need 2636363
- weight of 2636363 cycles is about 290434901 (110.16/cycle)
- distribution of cycle lengths:
- 1 relations: 97733
- 2 relations: 166379
- 3 relations: 215033
- 4 relations: 231697
- 5 relations: 237606
- 6 relations: 227822
- 7 relations: 210296
- 8 relations: 187447
- 9 relations: 165373
- 10+ relations: 896977
- heaviest cycle: 28 relations
- commencing cycle optimization
- start with 21863519 relations
- pruned 1276070 relations
- memory use: 568.6 MB
- distribution of cycle lengths:
- 1 relations: 97733
- 2 relations: 172164
- 3 relations: 227218
- 4 relations: 245612
- 5 relations: 253976
- 6 relations: 242564
- 7 relations: 223091
- 8 relations: 196585
- 9 relations: 171563
- 10+ relations: 805857
- heaviest cycle: 28 relations
- RelProcTime: 3073
- commencing linear algebra
- read 2636363 cycles
- cycles contain 8178038 unique relations
- read 8178038 relations
- using 20 quadratic characters above 4294917295
- building initial matrix
- memory use: 1135.3 MB
- read 2636363 cycles
- matrix is 2636183 x 2636363 (1123.7 MB) with weight 343934140 (130.46/col)
- sparse part has weight 265577524 (100.74/col)
- filtering completed in 2 passes
- matrix is 2635844 x 2636023 (1123.7 MB) with weight 343916103 (130.47/col)
- sparse part has weight 265570625 (100.75/col)
- matrix starts at (0, 0)
- matrix is 2635844 x 2636023 (1123.7 MB) with weight 343916103 (130.47/col)
- sparse part has weight 265570625 (100.75/col)
- saving the first 48 matrix rows for later
- matrix includes 64 packed rows
- matrix is 2635796 x 2636023 (1093.6 MB) with weight 290325489 (110.14/col)
- sparse part has weight 260321331 (98.76/col)
- using block size 8192 and superblock size 589824 for processor cache size 6144 kB
- commencing Lanczos iteration (4 threads)
- memory use: 893.4 MB
- linear algebra at 0.1%, ETA 2h53m2636023 dimensions (0.1%, ETA 2h53m)
- checkpointing every 820000 dimensions023 dimensions (0.1%, ETA 3h14m)
- linear algebra completed 2635660 of 2636023 dimensions (100.0%, ETA 0h 0m)
- lanczos halted after 41684 iterations (dim = 2635792)
- recovered 27 nontrivial dependencies
- BLanczosTime: 14498
- commencing square root phase
- handling dependencies 1 to 64
- reading relations for dependency 1
- read 1319221 cycles
- cycles contain 4091538 unique relations
- read 4091538 relations
- multiplying 4091538 relations
- multiply complete, coefficients have about 234.01 million bits
- initial square root is modulo 250059079
- GCD is 1, no factor found
- reading relations for dependency 2
- read 1319012 cycles
- cycles contain 4093068 unique relations
- read 4093068 relations
- multiplying 4093068 relations
- multiply complete, coefficients have about 234.10 million bits
- initial square root is modulo 251865553
- GCD is 1, no factor found
- reading relations for dependency 3
- read 1317854 cycles
- cycles contain 4088312 unique relations
- read 4088312 relations
- multiplying 4088312 relations
- multiply complete, coefficients have about 233.83 million bits
- initial square root is modulo 246260107
- GCD is N, no factor found
- reading relations for dependency 4
- read 1317590 cycles
- cycles contain 4088534 unique relations
- read 4088534 relations
- multiplying 4088534 relations
- multiply complete, coefficients have about 233.84 million bits
- initial square root is modulo 246538543
- GCD is N, no factor found
- reading relations for dependency 5
- read 1318370 cycles
- cycles contain 4089326 unique relations
- read 4089326 relations
- multiplying 4089326 relations
- multiply complete, coefficients have about 233.88 million bits
- initial square root is modulo 247337869
- sqrtTime: 3446
- p71 factor: 25480866580926583249254478083097092662714984125733456685559946365649179
- p74 factor: 80280518595503542602348789893666362740797600481321545920508505721650897637
- elapsed time 05:50:18
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