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 7 composites
266
Total Composites
1250
Total Attempts
39003
Factors Found
4
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
▶ (3911^83-1)/(3911-1) 295
t57.8/t63.7
25 119,041 None 2025-12-30 14:52
2026-05-11 22:38 		102993.7s
▶ (6101^79-1)/(6101-1) 296
t58.1/t63.7
25 119,041 None 2025-12-30 08:06
2026-05-11 21:50 		93070.3s
▶ (13^263-1)/(13-1) 278
t61.9/t61.8
28 158,465 None 2025-12-30 01:29
2026-05-07 22:53 		111732.8s
▶ (1812169199976451^31-1)/(18121... 458
t43.7/t85.0
4 10,240 None 2026-01-16 01:19
2026-04-28 04:16 		3552.3s
▶ (4971989645101^31-1)/(49719896... 381
t43.7/t85.0
4 10,240 None 2026-01-08 08:35
2026-04-28 03:41 		7122.4s
▶ (3643^107-1)/(3643-1) 378
t43.7/t81.2
4 10,240 None 2026-01-08 04:28
2026-04-27 23:18 		1765.2s
▶ (398581^71-1)/(398581-1) 378
t43.7/t80.9
4 10,240 None 2026-01-08 04:52
2026-04-27 15:15 		2134.2s
▶ (3061^109-1)/(3061-1) 377
t43.7/t79.4
4 10,240 None 2026-01-08 02:52
2026-04-25 18:03 		7069.1s
▶ (1021^127-1)/(1021-1) 380
t43.7/t77.8
4 10,240 None 2026-01-08 06:10
2026-04-25 17:34 		6818.5s
▶ (2311^113-1)/(2311-1) 377
t43.7/t77.5
4 10,240 None 2026-01-08 03:40
2026-04-25 17:13 		2790.3s
▶ (991^127-1)/(991-1) 378
t43.7/t77.5
4 10,240 None 2026-01-08 04:10
2026-04-25 17:12 		1760.0s
▶ (7^683-1)/(7-1) 567
t43.8/t85.0
7 12,672 None 2026-01-27 13:10
2026-04-25 01:12 		4244.8s
▶ (6343^79-1)/(6343-1) 297
t57.8/t63.1
25 118,673 None 2025-12-30 10:10
2026-04-24 02:09 		90529.4s
▶ (4919^79-1)/(4919-1) 288
t58.1/t63.1
27 129,793 None 2025-12-30 03:11
2026-04-23 22:46 		80847.3s
▶ (13^509-1)/(13-1) 563
t43.8/t85.0
7 12,672 None 2026-01-27 09:47
2026-04-23 13:49 		7539.3s
▶ (5791^79-1)/(5791-1) 294
t57.8/t63.1
27 127,678 None 2025-12-30 07:59
2026-04-23 06:42 		94668.9s
▶ (467^211-1)/(467-1) 561
t43.8/t85.0
7 12,672 None 2026-01-27 07:20
2026-04-22 17:10 		4843.0s
▶ (6115909044841454629^31-1)/(61... 558
t43.8/t85.0
7 12,672 None 2026-01-27 03:01
2026-04-21 23:45 		1993.6s
▶ (3571^157-1)/(3571-1) 555
t43.8/t85.0
7 12,672 None 2026-01-26 23:57
2026-04-20 22:33 		4721.2s
▶ (398581^101-1)/(398581-1) 554
t43.8/t85.0
7 12,672 None 2026-01-26 22:43
2026-04-20 15:35 		1975.6s
▶ (79^283-1)/(79-1) 536
t44.0/t85.0
7 12,672 None 2026-01-26 03:34
2026-04-18 22:28 		9932.4s
▶ (757^191-1)/(757-1) 548
t43.8/t85.0
7 12,672 None 2026-01-26 15:38
2026-04-18 18:31 		4742.4s
▶ (3229^157-1)/(3229-1) 548
t42.8/t85.0
7 12,672 None 2026-01-26 15:19
2026-04-18 18:04 		3247.3s
▶ (103^271-1)/(103-1) 544
t43.8/t85.0
7 12,672 None 2026-01-26 11:00
2026-04-18 15:29 		3120.7s
▶ (71^293-1)/(71-1) 541
t42.8/t85.0
7 12,672 None 2026-01-26 08:51
2026-04-17 22:28 		4158.0s
▶ (233^227-1)/(233-1) 536
t44.0/t85.0
7 12,672 None 2026-01-26 03:48
2026-04-17 15:08 		8301.9s
▶ (147073^103-1)/(147073-1) 528
t43.8/t85.0
7 12,672 None 2026-01-25 21:38
2026-04-15 13:19 		2760.7s
▶ (90334459265106663983849282070... 522
t44.3/t85.0
6 8,576 None 2026-01-18 12:11
2026-04-15 05:20 		3856.9s
▶ (109^257-1)/(109-1) 522
t44.3/t85.0
6 8,576 None 2026-01-18 12:26
2026-04-15 04:48 		5590.0s
▶ (149^239-1)/(149-1) 518
t44.3/t85.0
6 8,576 None 2026-01-18 09:14
2026-04-15 02:47 		3728.6s
▶ (127^263-1)/(127-1) 544
t44.3/t85.0
6 8,576 None 2026-01-26 11:37
2026-04-07 16:50 		5645.9s
▶ (127^359-1)/(127-1) 708
t44.3/t85.0
4 5,888 None 2026-02-05 12:07
2026-04-03 20:38 		33514.7s
▶ (19531^157-1)/(19531-1) 670
t44.0/t85.0
4 5,888 None 2026-02-04 09:56
2026-03-30 16:32 		12307.6s
▶ (15366727926360888685355234503... 499
t43.8/t85.0
3 7,168 None 2025-12-14 10:16
2026-03-29 15:30 		2158.2s
▶ (569^167-1)/(569-1) 458
t43.8/t85.0
3 7,168 None 2026-01-16 00:41
2026-03-29 15:07 		4155.3s
▶ (17265927242177996513783119265... 393
t43.8/t85.0
3 7,168 None 2025-12-14 09:50
2026-03-29 10:38 		1552.6s
▶ (50544702849929377^23-1)/(5054... 362
t43.8/t85.0
3 7,168 None 2025-12-14 09:38
2026-03-29 10:05 		1195.2s
▶ (19489335480469^23-1)/(1948933... 293
t43.8/t70.8
3 7,168 None 2025-12-14 09:29
2026-03-29 07:20 		921.5s
▶ (37702254472338804937^17-1)/(3... 314
t43.8/t68.0
3 7,168 None 2025-12-14 09:15
2026-03-29 06:33 		1007.7s
▶ (1482307^73-1)/(1482307-1) 445
t43.8/t85.0
4 5,656 None 2026-01-15 20:59
2026-03-28 16:39 		4140.6s
▶ (44371^109-1)/(44371-1) 502
t43.8/t85.0
3 5,632 None 2026-01-17 12:21
2026-03-28 13:23 		4348.6s
▶ (7^601-1)/(7-1) 501
t43.8/t85.0
3 5,632 None 2026-01-17 10:37
2026-03-28 11:45 		3717.7s
▶ (59221^103-1)/(59221-1) 487
t43.8/t85.0
3 5,632 None 2026-01-17 03:09
2026-03-28 04:26 		4589.6s
▶ (283^199-1)/(283-1) 486
t43.8/t85.0
3 5,632 None 2026-01-17 01:54
2026-03-28 03:16 		2635.1s
▶ (1394714501^53-1)/(1394714501-... 476
t43.8/t85.0
3 5,632 None 2026-01-16 19:15
2026-03-27 23:53 		4401.1s
▶ (9463^71-1)/(9463-1) 279
t60.0/t60.0
117 346,369 None 2025-12-28 10:59
2026-03-26 23:16 		372448.0s
▶ (829^163-1)/(829-1) 473
t43.1/t85.0
3 5,632 None 2026-01-16 14:28
2026-03-25 08:13 		2903.2s
▶ (443^179-1)/(443-1) 472
t43.1/t85.0
3 5,632 None 2026-01-16 14:13
2026-03-25 07:50 		1898.1s
▶ (11^457-1)/(11-1) 471
t43.1/t85.0
3 5,632 None 2026-01-16 10:46
2026-03-25 06:53 		3786.4s
▶ (239^199-1)/(239-1) 471
t43.1/t85.0
3 5,632 None 2026-01-16 12:00
2026-03-25 06:42 		2789.0s
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

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