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 5 composites
543
Total Composites
1927
Total Attempts
39003
Factors Found
17
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
▶ (739^97-1)/(739-1) 247
t57.2/t58.5
34 125,956 None 2025-12-28 08:55
2026-05-13 13:02 		66713.7s
▶ (2069^89-1)/(2069-1) 268
t45.2/t63.7
5 16,897 None 2025-12-30 04:40
2026-05-12 09:36 		13447.3s
▶ (12116413^41-1)/(12116413-1) 284
t45.2/t63.7
5 16,897 None 2025-12-30 02:20
2026-05-12 08:20 		14447.6s
▶ (15913^71-1)/(15913-1) 295
t45.2/t63.7
5 16,897 None 2025-12-30 06:29
2026-05-12 06:59 		12674.2s
▶ (11420021393675172183044667407... 276
t58.5/t58.5
39 161,281 None 2025-12-28 03:56
2026-05-11 04:03 		100523.2s
▶ (521^101-1)/(521-1) 214
t56.4/t58.5
31 113,412 1 factor 2025-12-28 07:20
2026-05-08 18:07 		98153.5s
▶ (509^101-1)/(509-1) 259
t54.5/t58.8
23 84,993 None 2025-12-28 07:05
2026-05-08 11:02 		18796.4s
▶ (761^97-1)/(761-1) 253
t52.7/t59.1
16 54,529 None 2025-12-28 10:38
2026-05-05 17:07 		28009.2s
▶ (593^109-1)/(593-1) 291
t45.2/t63.4
5 16,897 None 2025-12-30 08:50
2026-05-03 21:58 		12299.7s
▶ (613^107-1)/(613-1) 293
t45.2/t63.4
5 16,897 None 2025-12-30 07:51
2026-05-03 13:55 		10007.2s
▶ (563^107-1)/(563-1) 289
t48.4/t63.4
7 27,483 None 2025-12-30 04:03
2026-05-03 13:11 		10914.0s
▶ (643^97-1)/(643-1) 264
t57.9/t57.8
37 137,729 None 2025-12-28 07:42
2026-05-03 12:30 		52319.7s
▶ (157^137-1)/(157-1) 262
t48.3/t63.4
7 27,649 None 2025-12-30 08:28
2026-05-03 12:28 		15121.6s
▶ (16069^71-1)/(16069-1) 295
t45.2/t63.4
5 16,897 None 2025-12-30 05:45
2026-05-03 11:51 		10222.3s
▶ (1482307^47-1)/(1482307-1) 274
t45.2/t63.4
5 16,897 None 2025-12-30 09:12
2026-05-03 11:05 		11930.7s
▶ (20849^61-1)/(20849-1) 260
t57.6/t57.2
36 129,028 None 2025-12-28 04:33
2026-05-03 02:07 		62570.1s
▶ (10946530360919663424396107183... 269
t57.3/t57.2
24 50,692 None 2025-12-21 22:07
2026-05-03 01:09 		144048.4s
▶ (398137391^31-1)/(398137391-1) 234
t58.3/t58.2
37 143,873 None 2025-12-28 07:13
2026-05-02 18:20 		74696.7s
▶ (19^479-1)/(19-1) 562
t43.8/t85.0
7 12,672 None 2026-01-27 08:34
2026-05-01 19:14 		3600.8s
▶ (3011^79-1)/(3011-1) 210
t50.6/t58.2
17 47,867 1 factor 2025-12-28 08:34
2026-04-29 08:54 		21586.3s
▶ (2557^79-1)/(2557-1) 257
t57.4/t57.2
54 135,172 None 2025-12-28 06:58
2026-04-28 19:06 		85935.3s
▶ (6114099671^53-1)/(6114099671-... 464
t43.7/t85.0
4 10,240 None 2026-01-16 04:35
2026-04-28 13:06 		3049.2s
▶ (19777^61-1)/(19777-1) 204
t52.7/t57.2
25 70,767 1 factor 2025-12-21 23:04
2026-04-28 07:26 		66328.9s
▶ (1303^151-1)/(1303-1) 461
t43.7/t85.0
4 10,240 None 2026-01-16 03:21
2026-04-28 04:42 		2384.0s
▶ (23^307-1)/(23-1) 381
t43.7/t83.7
4 10,240 None 2026-01-08 22:25
2026-04-28 02:44 		4533.7s
▶ (168820969^47-1)/(168820969-1) 379
t43.7/t82.5
4 10,240 None 2026-01-08 04:34
2026-04-28 02:19 		4885.4s
▶ (40070679725506875803695469398... 565
t43.8/t85.0
7 12,672 None 2026-01-27 11:38
2026-04-27 01:28 		4871.5s
▶ (8171^97-1)/(8171-1) 376
t43.7/t78.2
4 10,240 None 2026-01-05 15:22
2026-04-25 17:42 		2302.8s
▶ (281^241-1)/(281-1) 567
t43.8/t85.0
7 12,672 None 2026-01-27 12:15
2026-04-25 00:28 		4715.3s
▶ (3^1217-1)/(3-1) 564
t43.8/t85.0
7 12,672 None 2026-01-27 10:06
2026-04-24 17:54 		4190.7s
▶ (3779^157-1)/(3779-1) 559
t43.8/t85.0
7 12,672 None 2026-01-27 05:11
2026-04-24 17:52 		4252.2s
▶ (809^197-1)/(809-1) 560
t43.8/t85.0
7 12,672 None 2026-01-27 05:48
2026-04-24 15:08 		3272.1s
▶ (3037^163-1)/(3037-1) 557
t43.8/t85.0
7 12,672 None 2026-01-27 02:43
2026-04-24 14:34 		4741.2s
▶ (5857^79-1)/(5857-1) 278
t48.4/t63.1
7 27,649 None 2025-12-30 07:22
2026-04-23 18:27 		9903.9s
▶ (1237^193-1)/(1237-1) 567
t43.8/t85.0
7 12,672 None 2026-01-27 12:52
2026-04-23 17:42 		7572.8s
▶ (647^211-1)/(647-1) 565
t43.8/t85.0
7 12,672 None 2026-01-27 11:20
2026-04-23 16:59 		7574.4s
▶ (11743^73-1)/(11743-1) 284
t48.3/t63.1
7 27,649 None 2025-12-30 14:30
2026-04-23 14:13 		18851.5s
▶ (179^257-1)/(179-1) 557
t44.0/t85.0
7 12,672 None 2026-01-27 02:25
2026-04-23 05:14 		7616.4s
▶ (21227^59-1)/(21227-1) 251
t56.9/t56.9
51 125,188 None 2025-12-21 22:43
2026-04-22 23:03 		76380.9s
▶ (20393^61-1)/(20393-1) 259
t56.9/t56.9
51 126,724 None 2025-12-28 03:27
2026-04-22 20:14 		91697.0s
▶ (911^193-1)/(911-1) 561
t43.8/t85.0
7 12,672 None 2026-01-27 07:57
2026-04-22 19:33 		6874.8s
▶ (373^229-1)/(373-1) 561
t43.8/t85.0
7 12,672 None 2026-01-27 07:38
2026-04-22 18:51 		4857.8s
▶ (1283^181-1)/(1283-1) 554
t43.8/t85.0
7 12,672 None 2026-01-26 22:06
2026-04-22 16:37 		1325.1s
▶ (3499^157-1)/(3499-1) 553
t43.8/t85.0
7 12,672 None 2026-01-26 20:34
2026-04-22 15:21 		1322.5s
▶ (3169^163-1)/(3169-1) 557
t43.8/t85.0
7 12,672 None 2026-01-27 01:29
2026-04-21 14:07 		4745.4s
▶ (5107^151-1)/(5107-1) 557
t43.8/t85.0
7 12,672 None 2026-01-27 02:06
2026-04-21 12:54 		1988.2s
▶ (1471^179-1)/(1471-1) 554
t43.8/t85.0
7 12,672 None 2026-01-26 23:01
2026-04-20 22:20 		7275.2s
▶ (5857^149-1)/(5857-1) 536
t43.8/t85.0
7 12,672 None 2026-01-26 04:03
2026-04-20 04:32 		4472.2s
▶ (3299^157-1)/(3299-1) 549
t43.8/t85.0
7 12,672 None 2026-01-26 17:10
2026-04-20 00:55 		1978.1s
▶ (719^197-1)/(719-1) 552
t42.8/t85.0
7 12,672 None 2026-01-26 19:19
2026-04-19 17:13 		1289.7s
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

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