GIMPS ECM Progress - PrimeNet

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet ECM Progress

ECM on Fermat numbers

Digits in factor	25	30	35	40	45	50	55	60	65
Bound #1	50,000	250,000	1,000,000	3,000,000	11,000,000	44,000,000	110,000,000	260,000,000	800,000,000
Curves to test	280	640	1,566	4,588	9,201	16,550	40,830	105,362	194,238
F12	Done	Done	Done	Done	Done	Done	Done	Done	93,532
F13	Done	Done	Done	Done	Done	Done	Done	Done	52,906
F14	Done	Done	Done	Done	Done	Done	Done	Done	Done
F15	Done	Done	Done	Done	Done	Done	Done	Done	145,469
F16	Done	Done	Done	Done	Done	Done	Done	20,319
F17	Done	Done	Done	Done	Done	Done	Done	38,509
F18	Done	Done	Done	Done	Done	Done	20,009
F19	Done	Done	Done	Done	Done	10,336
F20	Done	Done	Done	Done	Done	6,002
F21	Done	Done	Done	Done	Done	2,409
F22	Done	Done	Done	Done	2,825
F23	Done	Done	Done	Done	1,328
F24	Done	Done	Done	3,737
F25	Done	Done	Done	727
F26	Done	Done	1,016
F27	Done	526
F28	Done	97
F29	96

ECM on Mersenne numbers with no known factors

Exponent range:

Digits in factor	25	30	35	40	45	50	55	60	65
Bound #1	50,000	250,000	1,000,000	3,000,000	11,000,000	44,000,000	110,000,000	260,000,000	800,000,000
Curves to test	280	640	1,566	4,588	9,201	16,550	40,830	105,362	194,238
109001	Done	Done	Done	1,075
109037	Done	Done	Done	990
109073	Done	Done	Done	1,071
109111	Done	Done	Done	1,044
109121	Done	Done	Done	1,033
109133	Done	Done	Done	1,029
109141	Done	Done	Done	1,040
109169	Done	Done	Done	998
109171	Done	Done	Done	1,036
109331	Done	Done	Done	1,094
109567	Done	Done	Done	1,036
109619	Done	Done	Done	1,035
109789	Done	Done	Done	1,008
109943	Done	Done	Done	1,025

ECM on Mersenne numbers with known factors

Exponent range:

Digits in factor	25	30	35	40	45	50	55	60	65
Bound #1	50,000	250,000	1,000,000	3,000,000	11,000,000	44,000,000	110,000,000	260,000,000	800,000,000
Curves to test	280	640	1,566	4,588	9,201	16,550	40,830	105,362	194,238
109013	Done	Done	252
109049	Done	Done	252
109063	Done	Done	252
109097	Done	Done	252
109103	Done	Done	257
109139	Done	Done	254
109147	Done	Done	252
109159	Done	Done	253
109199	Done	Done	252
109201	Done	Done	806
109211	Done	Done	252
109229	Done	Done	252
109253	Done	Done	253
109267	Done	Done	253
109279	Done	Done	252
109297	Done	Done	252
109303	Done	Done	252
109313	Done	Done	252
109321	Done	Done	252
109357	Done	Done	252
109363	Done	Done	249
109367	Done	Done	252
109379	Done	Done	252
109387	Done	Done	253
109391	Done	Done	252
109397	Done	Done	252
109423	Done	Done	249
109433	Done	Done	252
109441	Done	Done	252
109451	Done	Done	252
109453	Done	Done	488
109469	Done	Done	252
109471	Done	Done	249
109481	Done	Done	249
109507	Done	Done	250
109517	Done	Done	249
109519	Done	Done	249
109537	Done	Done	250
109541	Done	Done	253
109547	Done	Done	249
109579	Done	Done	249
109583	Done	Done	250
109589	Done	Done	249
109597	Done	Done	250
109609	Done	Done	250
109621	Done	Done	249
109639	Done	Done	249
109661	Done	Done	249
109663	Done	Done	250
109673	Done	Done	250
109717	Done	Done	250
109721	Done	Done	250
109741	Done	Done	249
109751	Done	Done	249
109793	Done	Done	799
109807	Done	Done	249
109819	Done	Done	249
109829	Done	Done	250
109831	Done	Done	249
109841	Done	Done	249
109843	Done	Done	250
109847	Done	Done	252
109849	Done	Done	251
109859	Done	Done	249
109873	Done	Done	251
109883	Done	Done	252
109891	Done	Done	252
109897	Done	Done	250
109903	Done	Done	252
109913	Done	Done	252
109919	Done	Done	252
109937	Done	Done	252
109961	Done	Done	249
109987	Done	Done	252