ECM Distributed Factorization Dashboard

ECM Testing Status P-1/P+1 Status All Curves All Factors Leaderboard Residue Status
🔍 Filter by Priority:
All Priorities Priority 1 Priority 2 Priority 3 Priority 4 Priority 5 Priority 6 Priority 7 Priority 8 Priority 9 Priority 10
Currently showing: Priority 8 composites only
55
Total Composites
97
Total Attempts
2043
Factors Found
0
Fully Factored
Recent Factorization Attempts (Aggregated by Composite) View All Curves →

Click any row to expand and see individual curve batches

Composite Digits T-Level Progress Batches Total Curves Factors Found First/Last Attempt Total Time
▶ (211^131-1)/(211-1) 303
t56.1/t64.0
19 92,160 None 2025-12-30 08:57
2026-03-02 18:02 		57711.0s
▶ (11^757-1)/(11-1) 788
t39.6/t85.0
14 4,392 None 2026-02-10 12:20
2026-02-27 13:44 		4079.2s
▶ (71^167-1)/(71-1) 308
t54.0/t64.9
10 49,152 None 2025-12-30 14:23
2026-02-23 16:44 		29379.8s
▶ (607^109-1)/(607-1) 301
t53.9/t64.6
10 49,152 None 2025-12-30 09:33
2026-02-23 15:57 		33967.5s
▶ (1451^97-1)/(1451-1) 304
t53.9/t64.6
10 49,152 None 2025-12-30 12:08
2026-02-23 07:30 		37939.5s
▶ (1447^97-1)/(1447-1) 304
t53.9/t64.9
10 49,152 None 2025-12-30 14:59
2026-02-23 04:19 		30887.4s
▶ (1019^101-1)/(1019-1) 301
t53.7/t64.9
10 49,152 None 2025-12-30 09:41
2026-02-23 04:10 		38697.2s
▶ (1531^97-1)/(1531-1) 306
t53.9/t64.6
10 49,152 None 2025-12-30 16:56
2026-02-23 01:08 		31630.2s
▶ (1471^97-1)/(1471-1) 305
t53.7/t64.3
10 49,152 None 2025-12-30 15:58
2026-02-22 19:06 		40117.0s
▶ (30941^157-1)/(30941-1) 701
t41.8/t85.0
2 4,608 None 2026-02-05 07:51
2026-02-05 11:03 		10432.6s
▶ (31^467-1)/(31-1) 695
t41.8/t85.0
2 4,608 None 2026-02-05 03:07
2026-02-05 05:17 		6449.6s
▶ (13^619-1)/(13-1) 689
t41.8/t85.0
2 4,608 None 2026-02-04 23:20
2026-02-05 02:22 		9823.8s
▶ (61^383-1)/(61-1) 683
t41.8/t85.0
2 4,608 None 2026-02-04 19:04
2026-02-04 23:38 		9841.9s
▶ (7^809-1)/(7-1) 683
t41.8/t85.0
2 4,608 None 2026-02-04 18:36
2026-02-04 22:27 		5866.4s
▶ (31^457-1)/(31-1) 681
t41.8/t85.0
2 4,608 None 2026-02-04 17:38
2026-02-04 20:54 		9872.3s
▶ (13^613-1)/(13-1) 682
t41.8/t85.0
2 4,608 None 2026-02-04 18:07
2026-02-04 20:50 		5876.1s
▶ (61^367-1)/(61-1) 654
t41.8/t85.0
2 4,608 None 2026-02-03 22:35
2026-02-04 00:18 		5559.8s
▶ (52379047267^61-1)/(5237904726... 642
t41.8/t85.0
2 4,608 None 2026-02-03 06:00
2026-02-03 07:16 		3818.9s
▶ (7^739-1)/(7-1) 624
t41.8/t85.0
2 4,608 None 2026-02-02 17:09
2026-02-02 19:42 		8612.9s
▶ (398581^109-1)/(398581-1) 605
t41.8/t85.0
2 4,608 None 2026-02-01 03:59
2026-02-01 05:24 		5056.5s
▶ (797161^97-1)/(797161-1) 567
t41.8/t85.0
2 4,608 None 2026-01-27 11:57
2026-01-27 13:04 		3431.6s
▶ (3^1163-1)/(3-1) 555
t41.8/t85.0
2 4,608 None 2026-01-27 00:15
2026-01-27 01:09 		3207.4s
▶ (307^223-1)/(307-1) 553
t41.8/t85.0
2 4,608 None 2026-01-26 21:29
2026-01-26 21:48 		997.7s
▶ (3169^151-1)/(3169-1) 526
t42.6/t85.0
2 6,144 None 2026-01-19 10:43
2026-01-19 12:33 		4693.0s
▶ (3169^139-1)/(3169-1) 484
t41.4/t85.0
2 4,608 None 2026-01-17 00:07
2026-01-17 00:53 		2473.5s
▶ (181^211-1)/(181-1) 475
t42.0/t85.0
2 4,608 None 2026-01-16 17:13
2026-01-16 18:05 		2172.9s
▶ (5^677-1)/(5-1) 473
t42.0/t85.0
2 4,608 None 2026-01-16 14:58
2026-01-16 15:23 		1214.4s
▶ (1093^157-1)/(1093-1) 468
t42.0/t85.0
2 4,608 None 2026-01-16 08:04
2026-01-16 08:41 		2156.9s
▶ (5^661-1)/(5-1) 462
t42.0/t85.0
2 4,608 None 2026-01-16 03:24
2026-01-16 04:15 		2921.5s
▶ (47^263-1)/(47-1) 439
t42.0/t85.0
2 4,608 None 2026-01-15 18:16
2026-01-15 18:46 		1721.6s
▶ (181^191-1)/(181-1) 429
t41.4/t85.0
2 4,608 None 2026-01-15 11:28
2026-01-15 12:03 		2003.3s
▶ (137^197-1)/(137-1) 419
t42.8/t84.0
2 6,144 None 2026-01-13 17:14
2026-01-13 20:58 		6245.8s
▶ (157^191-1)/(157-1) 418
t42.8/t84.0
2 6,144 None 2026-01-13 17:02
2026-01-13 19:14 		6162.2s
▶ (409^151-1)/(409-1) 392
t42.0/t80.6
2 4,608 None 2026-01-10 01:20
2026-01-10 01:47 		634.6s
▶ (8269^101-1)/(8269-1) 392
t43.8/t84.3
2 8,960 None 2026-01-10 01:14
2026-01-10 01:36 		1231.5s
▶ (109^191-1)/(109-1) 388
t43.8/t79.7
2 8,960 None 2026-01-09 04:16
2026-01-09 06:49 		9109.9s
▶ (29^263-1)/(29-1) 384
t43.8/t78.8
2 8,960 None 2026-01-09 00:40
2026-01-09 01:12 		1630.8s
▶ (3571^107-1)/(3571-1) 377
t42.3/t80.3
2 5,120 None 2026-01-08 03:16
2026-01-08 05:25 		6631.4s
▶ (239^157-1)/(239-1) 372
t42.8/t77.5
2 6,144 None 2026-01-02 17:47
2026-01-02 18:22 		1972.5s
▶ (2666986681^37-1)/(2666986681-... 340
t42.8/t75.1
2 6,144 None 2026-01-01 09:23
2026-01-01 10:22 		1800.0s
▶ (83^191-1)/(83-1) 365
t42.8/t76.0
2 6,144 None 2026-01-01 04:29
2026-01-01 05:11 		2000.7s
▶ (359^139-1)/(359-1) 353
t42.8/t73.2
2 6,144 None 2025-12-31 22:52
2025-12-31 23:59 		1902.8s
▶ (601^127-1)/(601-1) 351
t42.8/t72.3
2 6,144 None 2025-12-31 22:43
2025-12-31 23:28 		1890.2s
▶ (241^149-1)/(241-1) 353
t42.8/t74.8
2 6,144 None 2025-12-31 22:07
2025-12-31 22:56 		1902.4s
▶ (156982145081^29-1)/(156982145... 314
t42.8/t71.1
2 6,144 None 2025-12-31 16:14
2025-12-31 16:48 		1643.2s
▶ (24571^73-1)/(24571-1) 317
t42.8/t67.1
2 6,144 None 2025-12-31 10:44
2025-12-31 11:13 		1643.3s
▶ (257^139-1)/(257-1) 333
t42.8/t69.5
2 6,144 None 2025-12-31 10:02
2025-12-31 10:45 		1803.7s
▶ (1103^109-1)/(1103-1) 329
t42.8/t69.8
2 6,144 None 2025-12-31 08:58
2025-12-31 09:49 		1790.1s
▶ (1087^109-1)/(1087-1) 328
t42.8/t69.5
2 6,144 None 2025-12-31 08:07
2025-12-31 08:54 		1814.2s
▶ (1033^107-1)/(1033-1) 320
t42.8/t68.3
2 6,144 None 2025-12-31 02:21
2025-12-31 08:23 		1640.9s
Recent Factors Found View All 2043 Factors →
Factor Bits Digits Composite Discovery Method Sigma Group Order Discovered
583973949926155304817199533900763 109 33 (798132266540249392852250204868706276006... ecm 1:2606453926 583973949926155277713730050710... 2026-03-05 22:25
220570005137045417053 68 21 (2350114685518698628073293^17-1)/(235011... ecm 1:751582660 220570005127769264448 2026-03-05 21:47
64682404207350902098219672001540023 116 35 (2077714240531718329952101^17-1)/(207771... ecm 1:2262983980 646824042073509017753834684632... 2026-03-05 21:27
6466572228486438326388478768291 103 31 (25021394469806702616774147031213^13-1)/... ecm 1:420200672 646657222848644319492883750018... 2026-03-05 21:26
55143190859775860992913933687177 106 32 (43765323523457493283471240101991183^11-... ecm 1:3927567270 551431908597758538582869035522... 2026-03-05 21:08
3248504689383467821 62 19 (578026810151521^23-1)/(578026810151521-... ecm 1:2041978546 3248504686709112624 2026-03-05 20:58
454003129494401685657971854140086060329 129 39 (575082839666011^23-1)/(575082839666011-... ecm 1:440138030 454003129494401685680907361922... 2026-03-05 20:49
962077512452880838428371 80 24 (647007514899264456324574251329522651746... ecm 1:93025044 962077512453026379003664 2026-03-05 20:34
100567807975897152922934397991 97 30 (571933374851449532877138036719780619928... ecm 3:2339609811 100567807975897295853087821652 2026-03-05 18:18
3881074202725819742408493467141623213 122 37 (1520986644587248920205351^17-1)/(152098... ecm 1:3100435260 388107420272581974197421650385... 2026-03-05 18:02
384535161600484578451070420896841063 119 36 (19184299770663767215159840319197^13-1)/... ecm 1:2640332495 384535161600484577881558784645... 2026-03-05 17:57
28881793265315259254188368871653432685906749443 155 47 (4591^101-1)/(4591-1) ecm 1:2422668827 288817932653152592541885018035... 2026-03-05 17:49
5910568283805164465164642234603698983 123 37 (3967169518633461054673984501^11-1)/(396... pm1 N/A 591056828380516446516464223460... 2026-03-05 17:21
3117700878631075126831923988428737933 122 37 (13904992194004381^17-1)/(13904992194004... pm1 N/A 311770087863107512683192398842... 2026-03-05 17:08
1631688405801688825836701 81 25 (15208909986517269808633359632833^13-1)/... ecm 1:3403212930 1631688405800505304415728 2026-03-05 16:44
145408531168481302989939097436376121076747 137 42 (1263012864828498243576751^17-1)/(126301... ecm 1:2030105930 145408531168481302990252206226... 2026-03-05 15:36
67568169397 36 11 (861709438783503449402429286616334956289... ecm 1:4086117953 67568626316 2026-03-05 15:09
982535440603256906479 70 21 (861709438783503449402429286616334956289... ecm 1:4086117953 982535440551099764016 2026-03-05 15:09
61575303192779722167563499401474819561 126 38 (10934538587539854646349560392313^13-1)/... ecm 1:2511287209 615753031927797221796632731060... 2026-03-05 14:58
475351308584014821903712173756125611739 129 39 (131573310553144475824068363180337854813... ecm 1:3632377633 475351308584014821891765844217... 2026-03-05 14:50
263862062436511500869258840588867 108 33 (11271793899296994952110805102213^13-1)/... ecm 1:2445269627 263862062436511502748317934773... 2026-03-05 14:36
7062320347170385463 63 19 (21334955668208563250308237498374109^11-... ecm 1:3214071191 7062320343624716008 2026-03-05 14:32
6750470137216833274362239700761 103 31 (103583324709896205116689719842624486168... ecm 1:2746075791 675047013721683358495074254337... 2026-03-05 14:06
15353245907577332827393364409732667843 124 38 (568107524921448054062617^17-1)/(5681075... ecm 1:3914232218 153532459075773328214588803666... 2026-03-05 13:47
860797277220544051 60 18 (587123206109434135893571^17-1)/(5871232... ecm 1:2265354276 860797275731558904 2026-03-05 13:45

API Documentation: /docs