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2018-12-13, 21:32   #1343
petrw1
1976 Toyota Corona years forever!

"Wayne"
Nov 2006

149B16 Posts

Quote:
 Originally Posted by lycorn I did notice it too. The sub 10K range is one step closer to be cleared (which doesn´t necessarily mean it will ever be...)
1,229 Exponents
22 Prime = 1.79%
1,142 Factored = 92.92%
65 Remaining = 5.29%
1 Factor in the last year; 5 in the last 3 years.

 2018-12-30, 19:49 #1344 Jwb52z     Sep 2002 5·132 Posts P-1 found a factor in stage #2, B1=730000, B2=13505000. UID: Jwb52z/Clay, M90073891 has a factor: 2050855691794382163177943 (P-1, B1=730000, B2=13505000)\ 80.763 bits.
 2019-01-04, 04:07 #1345 Jwb52z     Sep 2002 5·132 Posts P-1 found a factor in stage #2, B1=730000, B2=13505000. UID: Jwb52z/Clay, M90224503 has a factor: 2988438854649985393367591 (P-1, B1=730000, B2=13505000) 81.306 bits.
 2019-01-12, 04:54 #1346 Jwb52z     Sep 2002 5·132 Posts P-1 found a factor in stage #1, B1=730000. UID: Jwb52z/Clay, M90297301 has a factor: 477501114214912796207489 (P-1, B1=730000) 78.660 bits.
 2019-01-14, 22:37 #1347 lycorn     "GIMFS" Sep 2002 Oeiras, Portugal 2·5·157 Posts M921001 has a factor. It was found by ECM, using B1=250000, B2=25000000. Given that the size of the factor is just over 78 bits, it was missed by the previous trial @ B1=50000. It took 115 curves, tho. Oh well, one down.
2019-01-15, 02:43   #1348
axn

Jun 2003

22×32×151 Posts

Quote:
 Originally Posted by lycorn M921001 has a factor. It was found by ECM, using B1=250000, B2=25000000. Given that the size of the factor is just over 78 bits, it was missed by the previous trial @ B1=50000. It took 115 curves, tho. Oh well, one down.
It is a 24-digit factor. A full t25 ECM has about 25% probability of missing such a factor (25% is a ballpark -- I don't know the exact probability).

 2019-01-24, 05:19 #1349 Jwb52z     Sep 2002 5×132 Posts P-1 found a factor in stage #2, B1=680000, B2=12070000. UID: Jwb52z/Clay, M90532069 has a factor: 2470306454303834603641759 (P-1, B1=680000, B2=12070000) 81.031 bits.
 2019-01-30, 19:16 #1350 Jwb52z     Sep 2002 5·132 Posts P-1 found a factor in stage #2, B1=680000, B2=12070000. UID: Jwb52z/Clay, M90387127 has a factor: 21114889399427865887545841 (P-1, B1=680000, B2=12070000) 84.126 bits.
 2019-03-04, 05:36 #1351 Jwb52z     Sep 2002 5·132 Posts P-1 found a factor in stage #1, B1=680000. UID: Jwb52z/Clay, M90729377 has a factor: 35001746371256696847407311 (P-1, B1=680000) 84.856 bits.
 2019-03-16, 11:13 #1352 newalex   Feb 2019 24 Posts ECM found a factor in curve #312, stage #2 Sigma=2655318244881862, B1=250000, B2=25000000. M322939 has a factor: 11174935515705269731353543251549484660209 (ECM curve 312, B1=250000, B2=25000000) 41 digits(133.037 bits) factor was found with ECM bounds for 30-digit factors
 2019-03-16, 19:30 #1353 lycorn     "GIMFS" Sep 2002 Oeiras, Portugal 30428 Posts You´ve been finding a fair amount of ECM factors for small exponents lately . I have some experience in working in those small ranges, so I truly appreciate your effort. How many cores have you assigned?

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