ECM Distributed Factorization Dashboard

ECM Testing Status P-1/P+1 Status All Curves All Factors Leaderboard Residue Status
Project:
Priority:
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Currently showing: Priority 8 composites
55
Total Composites
161
Total Attempts
39003
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
▶ (3571^107-1)/(3571-1) 377
t43.9/t80.3
4 10,240 None 2026-01-08 03:16
2026-04-27 15:45 		10948.2s
▶ (2089^89-1)/(2089-1) 293
t61.5/t63.1
8 38,433 None 2025-12-13 01:48
2026-04-23 21:19 		45354.3s
▶ (30941^157-1)/(30941-1) 701
t44.3/t85.0
4 5,888 None 2026-02-05 07:51
2026-04-02 04:46 		26167.4s
▶ (31^467-1)/(31-1) 695
t44.3/t85.0
4 5,888 None 2026-02-05 03:07
2026-04-01 10:23 		10010.3s
▶ (13^619-1)/(13-1) 689
t44.3/t85.0
4 5,888 None 2026-02-04 23:20
2026-03-31 13:27 		14429.9s
▶ (61^383-1)/(61-1) 683
t44.3/t85.0
4 5,888 None 2026-02-04 19:04
2026-03-31 05:22 		13233.0s
▶ (7^809-1)/(7-1) 683
t44.3/t85.0
4 5,888 None 2026-02-04 18:36
2026-03-31 04:31 		9253.4s
▶ (13^613-1)/(13-1) 682
t44.3/t85.0
4 5,888 None 2026-02-04 18:07
2026-03-31 03:39 		9266.6s
▶ (31^457-1)/(31-1) 681
t44.3/t85.0
4 5,888 None 2026-02-04 17:38
2026-03-31 02:48 		13257.7s
▶ (3169^139-1)/(3169-1) 484
t43.9/t85.0
16 22,016 None 2026-01-17 00:07
2026-03-30 02:38 		7412.1s
▶ (181^191-1)/(181-1) 429
t43.9/t85.0
17 23,360 None 2026-01-15 11:28
2026-03-30 01:53 		5822.6s
▶ (181^211-1)/(181-1) 475
t43.8/t85.0
3 5,632 None 2026-01-16 17:13
2026-03-27 22:48 		3472.9s
▶ (5^677-1)/(5-1) 473
t43.1/t85.0
3 5,632 None 2026-01-16 14:58
2026-03-25 08:24 		1891.4s
▶ (1093^157-1)/(1093-1) 468
t43.1/t85.0
3 5,632 None 2026-01-16 08:04
2026-03-25 04:37 		2833.4s
▶ (5^661-1)/(5-1) 462
t43.1/t85.0
3 5,632 None 2026-01-16 03:24
2026-03-25 02:22 		3551.5s
▶ (47^263-1)/(47-1) 439
t43.1/t85.0
3 5,632 None 2026-01-15 18:16
2026-03-24 21:32 		2307.7s
▶ (409^151-1)/(409-1) 392
t43.1/t80.6
3 5,632 None 2026-01-10 01:20
2026-03-24 00:38 		1148.4s
▶ (797161^97-1)/(797161-1) 567
t42.6/t85.0
5 7,808 None 2026-01-27 11:57
2026-03-23 06:12 		4414.1s
▶ (3^1163-1)/(3-1) 555
t42.6/t85.0
5 7,808 None 2026-01-27 00:15
2026-03-23 04:36 		4427.3s
▶ (307^223-1)/(307-1) 553
t42.6/t85.0
5 7,808 None 2026-01-26 21:29
2026-03-23 04:15 		1936.8s
▶ (929077^47-1)/(929077-1) 275
t63.2/t62.5
3 35,001 None 2025-12-13 01:46
2026-03-22 23:07 		1362.7s
▶ (2129^89-1)/(2129-1) 293
t61.5/t62.5
8 38,433 None 2025-12-13 01:50
2026-03-22 23:01 		160700.6s
▶ (61^367-1)/(61-1) 654
t43.8/t85.0
4 9,984 None 2026-02-03 22:35
2026-03-18 19:30 		19887.0s
▶ (52379047267^61-1)/(5237904726... 642
t43.8/t85.0
4 9,984 None 2026-02-03 06:00
2026-03-18 08:51 		18782.7s
▶ (7^739-1)/(7-1) 624
t43.8/t85.0
4 9,984 None 2026-02-02 17:09
2026-03-17 22:47 		23289.5s
▶ (398581^109-1)/(398581-1) 605
t43.7/t85.0
4 9,984 None 2026-02-01 03:59
2026-03-17 00:33 		6108.5s
▶ (211^131-1)/(211-1) 303
t57.8/t64.0
27 125,952 None 2025-12-30 08:57
2026-03-15 23:55 		118694.1s
▶ (11^757-1)/(11-1) 788
t42.7/t85.0
23 16,168 None 2026-02-10 12:20
2026-03-15 01:01 		12255.3s
▶ (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
▶ (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
▶ (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
▶ (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
▶ (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
Recent Factors Found View All 39003 Factors →
Factor Bits Digits Composite Discovery Method Sigma Group Order Discovered
431872390331 39 12 aliquot:4685772:i2446 ecm 3:1478069638 431872433856 2026-05-13 15:31
480597919 29 9 aliquot:4760874:i1102 ecm 3:175072586 480624496 2026-05-13 15:31
2732664170141387 52 16 aliquot:4438920:i3264 ecm 3:767071726 2732664137197456 2026-05-13 15:31
1508225568478814567586764843597 101 31 aliquot:4438920:i3264 ecm 3:767071713 150822556847881577172508934182... 2026-05-13 15:31
2675661814379 42 13 aliquot:3935280:i2676 ecm 3:2537331619 2675662021200 2026-05-13 15:30
3587117 22 7 aliquot:4760874:i1102 ecm 3:3493535023 3586620 2026-05-13 15:30
67820766160604576221 66 20 aliquot:4760874:i1101 ecm 3:4263212391 67820766156873340880 2026-05-13 15:16
16021734367 34 11 aliquot:4760874:i1101 ecm 3:4263212348 16021690608 2026-05-13 15:16
1725338131784714273465780441441 101 31 aliquot:4760874:i1101 ecm 3:4263217078 172533813178471463852231445958... 2026-05-13 15:16
734259341 30 9 aliquot:4438920:i3263 ecm 3:2676778588 734283776 2026-05-13 15:15
6611441 23 7 aliquot:4337532:i1635 ecm 3:2516862547 6610992 2026-05-13 15:15
1325773411216111349 61 19 aliquot:4337532:i1635 ecm 3:2516862608 1325773411830496740 2026-05-13 15:15
18269901548626092847 64 20 aliquot:4944492:i2275 ecm 3:1376082650 18269901553266359880 2026-05-13 15:15
15089037983 34 11 aliquot:4944492:i2275 ecm 3:1376082462 15088928904 2026-05-13 15:15
198871395091 38 12 aliquot:3935280:i2675 ecm 3:1575019112 198871543440 2026-05-13 15:15
44289988560973527829 66 20 aliquot:3935280:i2675 ecm 3:1575019583 44289988553316339900 2026-05-13 15:15
1126867009 31 10 aliquot:4535496:i1491 ecm 3:2664754149 1126832800 2026-05-13 15:13
14992944218885099347 64 20 aliquot:4535496:i1490 ecm 3:3097913240 14992944225674479380 2026-05-13 15:11
94502166068449718653817867 87 26 aliquot:4535496:i1490 ecm 3:3097913717 94502166068432914294171440 2026-05-13 15:11
88215645518070677692125869 87 26 aliquot:4301208:i3438 ecm 3:1915276280 88215645518067344285169044 2026-05-13 15:01
317463308758131962343787 79 24 aliquot:4301208:i3438 ecm 3:1915275976 317463308757713529940408 2026-05-13 15:01
66660680287 36 11 aliquot:4337532:i1634 ecm 3:1754764845 66661075116 2026-05-13 15:01
4998033630487603 53 16 aliquot:4337532:i1634 ecm 3:1754764848 4998033751097648 2026-05-13 15:01
1217162395994548469281 71 22 aliquot:4760874:i1100 ecm 3:637856368 1217162395988276964500 2026-05-13 15:01
567916772357636898101617 79 24 aliquot:4760874:i1100 ecm 3:637857125 567916772358407854172156 2026-05-13 15:01

API Documentation: /docs