mersenneforum.org Reserved for MF - Sequence 4788
 Register FAQ Search Today's Posts Mark Forums Read

 2020-11-06, 01:50 #2905 ryanp     Jun 2012 Boulder, CO F716 Posts Hello A4788 my old friend I've come to unblock you again.. Code: Msieve v. 1.54 (SVN 1030M) GMP: 6.2.0 Thu Nov 5 15:15:39 2020 random seeds: b2118e58 790b70c1 factoring 1905316801900227776940740392824424737989728747169726258280714634792948493247829252120845527350847484333154257861780256228486021326259811811322794867063747268414450756262259879962628547123420929973114919411 (205 digits) no P-1/P+1/ECM available, skipping commencing number field sieve (205-digit input) R0: -644385218268975855216257270717655 R1: 7554842833428957692911 A0: 968459661759956978335434484607254900640 A1: -84216134837203272920647028519575602 A2: -2272015212039749459863221804895 A3: 46966005229435841480877792 A4: 215405822583844424753 A5: -3185898266006400 A6: -8516121600 skew 1.00, size 9.339e-15, alpha -8.029, combined = 2.424e-16 rroots = 6 commencing linear algebra read 53676482 cycles cycles contain 173114391 unique relations read 173114391 relations using 20 quadratic characters above 4294917295 building initial matrix memory use: 24824.7 MB read 53676482 cycles matrix is 53676304 x 53676482 (27077.6 MB) with weight 8147585062 (151.79/col) sparse part has weight 6454113870 (120.24/col) filtering completed in 2 passes matrix is 53675530 x 53675708 (27077.5 MB) with weight 8147552115 (151.79/col) sparse part has weight 6454105192 (120.24/col) matrix starts at (0, 0) matrix is 53675530 x 53675708 (27077.5 MB) with weight 8147552115 (151.79/col) sparse part has weight 6454105192 (120.24/col) saving the first 240 matrix rows for later matrix includes 256 packed rows matrix is 53675290 x 53675708 (24980.0 MB) with weight 5995587872 (111.70/col) sparse part has weight 5689533400 (106.00/col) using block size 8192 and superblock size 608256 for processor cache size 25344 kB commencing Lanczos iteration (64 threads) memory use: 34200.5 MB linear algebra at 0.0%, ETA 438h13m675708 dimensions (0.0%, ETA 438h13m) checkpointing every 130000 dimensions5708 dimensions (0.0%, ETA 430h34m) linear algebra completed 213115 of 53675708 dimensions (0.4%, ETA 471h49m)
 2020-11-21, 23:51 #2906 ryanp     Jun 2012 Boulder, CO 13×19 Posts LA on the c205 blocker done, onto the sqrt phase... Code: Fri Nov 20 19:53:24 2020 Msieve v. 1.54 (SVN 1030M) Fri Nov 20 19:53:24 2020 GMP: 6.2.0 Fri Nov 20 19:53:24 2020 random seeds: f0d0fbab d4c8c7cc Fri Nov 20 19:53:24 2020 factoring 1905316801900227776940740392824424737989728747169726258280714634792948493247829252120845527350847484333154257861780256228486021326259811811322794867063747268414450756262259879962628547123420929973114919411 (205 digits) Fri Nov 20 19:53:25 2020 no P-1/P+1/ECM available, skipping Fri Nov 20 19:53:25 2020 commencing number field sieve (205-digit input) Fri Nov 20 19:53:25 2020 R0: 644385218268975855216257270717655 Fri Nov 20 19:53:25 2020 R1: -7554842833428957692911 Fri Nov 20 19:53:25 2020 A0: -968459661759956978335434484607254900640 Fri Nov 20 19:53:25 2020 A1: 84216134837203272920647028519575602 Fri Nov 20 19:53:25 2020 A2: 2272015212039749459863221804895 Fri Nov 20 19:53:25 2020 A3: -46966005229435841480877792 Fri Nov 20 19:53:25 2020 A4: -215405822583844424753 Fri Nov 20 19:53:25 2020 A5: 3185898266006400 Fri Nov 20 19:53:25 2020 A6: 8516121600 Fri Nov 20 19:53:25 2020 skew 1.00, size 9.339e-15, alpha -8.029, combined = 2.424e-16 rroots = 6 Fri Nov 20 19:53:25 2020 Fri Nov 20 19:53:25 2020 commencing square root phase Fri Nov 20 19:53:25 2020 reading relations for dependency 1 Fri Nov 20 19:53:29 2020 read 26081206 cycles Fri Nov 20 19:54:15 2020 cycles contain 85819134 unique relations Fri Nov 20 20:00:30 2020 read 85819134 relations Fri Nov 20 20:08:59 2020 multiplying 85819134 relations Sat Nov 21 00:25:42 2020 multiply complete, coefficients have about 6070.54 million bits Sat Nov 21 00:27:12 2020 initial square root is modulo 6421997 Sat Nov 21 05:03:35 2020 GCD is N, no factor found Sat Nov 21 05:03:35 2020 reading relations for dependency 2 Sat Nov 21 05:03:42 2020 read 26076816 cycles Sat Nov 21 05:05:50 2020 cycles contain 85808718 unique relations Sat Nov 21 05:13:23 2020 read 85808718 relations Sat Nov 21 05:29:42 2020 multiplying 85808718 relations Sat Nov 21 10:06:16 2020 multiply complete, coefficients have about 6069.83 million bits Sat Nov 21 10:07:51 2020 initial square root is modulo 6410059 Sat Nov 21 15:01:19 2020 GCD is 1, no factor found Sat Nov 21 15:01:19 2020 reading relations for dependency 3 Sat Nov 21 15:01:27 2020 read 26077136 cycles Sat Nov 21 15:03:40 2020 cycles contain 85804702 unique relations Sat Nov 21 15:11:34 2020 read 85804702 relations Sat Nov 21 15:28:11 2020 multiplying 85804702 relations
2020-11-22, 01:02   #2907
bsquared

"Ben"
Feb 2007

D2116 Posts

Quote:
 Originally Posted by ryanp LA on the c205 blocker done, onto the sqrt phase... Code: ... Sat Nov 21 10:07:51 2020 initial square root is modulo 6410059 Sat Nov 21 15:01:19 2020 GCD is 1, no factor found Sat Nov 21 15:01:19 2020 reading relations for dependency 3 Sat Nov 21 15:01:27 2020 read 26077136 cycles Sat Nov 21 15:03:40 2020 cycles contain 85804702 unique relations Sat Nov 21 15:11:34 2020 read 85804702 relations Sat Nov 21 15:28:11 2020 multiplying 85804702 relations

 2020-11-22, 19:59 #2908 ryanp     Jun 2012 Boulder, CO 111101112 Posts A4788 i12566 factored Cracked it on the 4th dep. Code: Sun Nov 22 01:22:50 2020 reading relations for dependency 4 Sun Nov 22 01:22:57 2020 read 26077789 cycles Sun Nov 22 01:25:15 2020 cycles contain 85796244 unique relations Sun Nov 22 01:33:14 2020 read 85796244 relations Sun Nov 22 01:49:31 2020 multiplying 85796244 relations Sun Nov 22 06:47:42 2020 multiply complete, coefficients have about 6068.95 million bits Sun Nov 22 06:49:21 2020 initial square root is modulo 6395869 Sun Nov 22 11:43:36 2020 sqrtTime: 143411 Sun Nov 22 11:43:36 2020 p84 factor: 612727101216841212852838132931420183159227670481704836048413322760603770006744226207 Sun Nov 22 11:43:36 2020 p121 factor: 3109568351255194772600345239390001448995931316250320993654548823052509790679152109713793122115796159590511967310967260973 Sun Nov 22 11:43:36 2020 elapsed time 39:50:12
 2020-11-23, 22:57 #2909 charybdis   Apr 2020 132 Posts Is anyone working on the c165? If not I'm happy to give it a go.
2020-11-23, 22:58   #2910
ryanp

Jun 2012
Boulder, CO

24710 Posts

Quote:
 Originally Posted by charybdis Is anyone working on the c165? If not I'm happy to give it a go.

It didn't yield with a good bit of ECM (B1=26e7), so just going straight to msieve now.

 2020-11-24, 12:59 #2911 ryanp     Jun 2012 Boulder, CO 3678 Posts Code: Tue Nov 24 03:35:26 2020 Msieve v. 1.54 (SVN 1030M) Tue Nov 24 03:35:26 2020 GMP: 6.2.0 Tue Nov 24 03:35:26 2020 random seeds: 7710824f eb6453fb Tue Nov 24 03:35:26 2020 factoring 125759133460127328613982496656975915643959142551262651270285396027807855006946517223326420972620599474305232427157867109244719422339711835950916082597366895792340601 (165 digits) Tue Nov 24 03:35:27 2020 no P-1/P+1/ECM available, skipping Tue Nov 24 03:35:27 2020 commencing number field sieve (165-digit input) Tue Nov 24 03:35:27 2020 R0: -38123316106011771648286063984900 Tue Nov 24 03:35:27 2020 R1: 79701186361581922693 Tue Nov 24 03:35:27 2020 A0: -25435869054161853863641972030250491872 Tue Nov 24 03:35:27 2020 A1: 12614312849763439576317967549433 Tue Nov 24 03:35:27 2020 A2: 271717740453730429181093774 Tue Nov 24 03:35:27 2020 A3: -10326034577621223843 Tue Nov 24 03:35:27 2020 A4: -40337103848532 Tue Nov 24 03:35:27 2020 A5: 6246720 Tue Nov 24 03:35:27 2020 skew 1.00, size 5.323e-16, alpha -6.634, combined = 8.154e-15 rroots = 5 Tue Nov 24 03:35:27 2020 Tue Nov 24 03:35:27 2020 commencing linear algebra Tue Nov 24 03:35:28 2020 read 8719485 cycles Tue Nov 24 03:35:41 2020 cycles contain 26419119 unique relations Tue Nov 24 03:36:57 2020 read 26419119 relations Tue Nov 24 03:37:28 2020 using 20 quadratic characters above 4294917295 Tue Nov 24 03:39:26 2020 building initial matrix Tue Nov 24 03:44:26 2020 memory use: 3659.9 MB Tue Nov 24 03:44:31 2020 read 8719485 cycles Tue Nov 24 03:44:32 2020 matrix is 8705896 x 8719485 (3992.3 MB) with weight 1217318554 (139.61/col) Tue Nov 24 03:44:32 2020 sparse part has weight 941913349 (108.02/col) Tue Nov 24 03:47:19 2020 filtering completed in 3 passes Tue Nov 24 03:47:21 2020 matrix is 8591123 x 8591322 (3948.9 MB) with weight 1203466406 (140.08/col) Tue Nov 24 03:47:21 2020 sparse part has weight 932094316 (108.49/col) Tue Nov 24 03:47:39 2020 matrix starts at (0, 0) Tue Nov 24 03:47:40 2020 matrix is 8591123 x 8591322 (3948.9 MB) with weight 1203466406 (140.08/col) Tue Nov 24 03:47:40 2020 sparse part has weight 932094316 (108.49/col) Tue Nov 24 03:47:40 2020 saving the first 240 matrix rows for later Tue Nov 24 03:47:42 2020 matrix includes 256 packed rows Tue Nov 24 03:47:44 2020 matrix is 8590883 x 8591322 (3577.6 MB) with weight 853232221 (99.31/col) Tue Nov 24 03:47:44 2020 sparse part has weight 800377649 (93.16/col) Tue Nov 24 03:47:44 2020 using block size 8192 and superblock size 608256 for processor cache size 25344 kB Tue Nov 24 03:48:02 2020 commencing Lanczos iteration (64 threads) Tue Nov 24 03:48:02 2020 memory use: 4950.6 MB Tue Nov 24 03:48:08 2020 linear algebra at 0.0%, ETA 6h13m Tue Nov 24 03:48:10 2020 checkpointing every 1230000 dimensions
 2020-11-24, 18:01 #2912 ryanp     Jun 2012 Boulder, CO 24710 Posts Sigh, got the dreaded: Code: Tue Nov 24 03:48:08 2020 linear algebra at 0.0%, ETA 6h13m Tue Nov 24 03:48:10 2020 checkpointing every 1230000 dimensions Tue Nov 24 09:46:11 2020 lanczos halted after 33659 iterations (dim = 8590774) Tue Nov 24 09:46:52 2020 lanczos error: only trivial dependencies found Will retry with slightly fewer relations.
 2020-12-27, 14:15 #2913 RichD     Sep 2008 Kansas CA916 Posts C173 @ i12568 Now sitting with a C173.
 2020-12-27, 14:40 #2914 swellman     Jun 2012 33×109 Posts Anybody running ECM on this? If not I’ll take it (or help out as circumstances dictate).
 2020-12-27, 14:49 #2915 charybdis   Apr 2020 132 Posts I can throw some curves at it once I'm done with t55 on 3366:i2226. Would be happy to do GNFS if needed too.

 Similar Threads Thread Thread Starter Forum Replies Last Post RichD Aliquot Sequences 463 2021-01-02 16:01 sweety439 And now for something completely different 17 2017-06-13 03:49 frmky Aliquot Sequences 36 2011-04-28 06:27 schickel Aliquot Sequences 51 2011-01-05 02:32 petrw1 Lone Mersenne Hunters 82 2010-01-11 01:57

All times are UTC. The time now is 14:34.

Sun Jan 24 14:34:14 UTC 2021 up 52 days, 10:45, 0 users, load averages: 3.61, 3.48, 3.39