20201106, 01:50  #2905 
Jun 2012
Boulder, CO
F5_{16} 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 P1/P+1/ECM available, skipping commencing number field sieve (205digit input) R0: 644385218268975855216257270717655 R1: 7554842833428957692911 A0: 968459661759956978335434484607254900640 A1: 84216134837203272920647028519575602 A2: 2272015212039749459863221804895 A3: 46966005229435841480877792 A4: 215405822583844424753 A5: 3185898266006400 A6: 8516121600 skew 1.00, size 9.339e15, alpha 8.029, combined = 2.424e16 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) 
20201121, 23:51  #2906 
Jun 2012
Boulder, CO
365_{8} 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 P1/P+1/ECM available, skipping Fri Nov 20 19:53:25 2020 commencing number field sieve (205digit 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 9.339e15, alpha 8.029, combined = 2.424e16 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 
20201122, 01:02  #2907  
"Ben"
Feb 2007
2^{5}×3×5×7 Posts 
Quote:


20201122, 19:59  #2908 
Jun 2012
Boulder, CO
F5_{16} 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 
20201123, 22:57  #2909 
Apr 2020
3×5×11 Posts 
Is anyone working on the c165? If not I'm happy to give it a go.

20201123, 22:58  #2910 
Jun 2012
Boulder, CO
5·7^{2} Posts 

20201124, 12:59  #2911 
Jun 2012
Boulder, CO
11110101_{2} 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 P1/P+1/ECM available, skipping Tue Nov 24 03:35:27 2020 commencing number field sieve (165digit 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 5.323e16, alpha 6.634, combined = 8.154e15 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 
20201124, 18:01  #2912 
Jun 2012
Boulder, CO
5·7^{2} 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 
20201227, 14:15  #2913 
Sep 2008
Kansas
2×1,619 Posts 
C173 @ i12568
Now sitting with a C173.

20201227, 14:40  #2914 
Jun 2012
B7A_{16} Posts 
Anybody running ECM on this? If not I’ll take it (or help out as circumstances dictate).

20201227, 14:49  #2915 
Apr 2020
3×5×11 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.

Thread Tools  
Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Reserved for MF  Sequence 3366  RichD  Aliquot Sequences  463  20210102 16:01 
Primes in nfibonacci sequence and nstep fibonacci sequence  sweety439  And now for something completely different  17  20170613 03:49 
ECM for c166 from 4788:2661  frmky  Aliquot Sequences  36  20110428 06:27 
ECM work on 4788:2549.c170  schickel  Aliquot Sequences  51  20110105 02:32 
80M to 64 bits ... but not really reserved  petrw1  Lone Mersenne Hunters  82  20100111 01:57 