ECM Distributed Factorization Dashboard

ECM Testing Status P-1/P+1 Status All Curves All Factors Leaderboard Residue Status
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Currently showing: Priority 3 composites
2284
Total Composites
9414
Total Attempts
39003
Factors Found
681
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
▶ (23398426036444920526231^13-1)... 192
t54.4/t56.6
44 87,320 1 factor 2025-10-26 18:13
2026-05-13 15:10 		17806.4s
▶ (42115756032372400872326983362... 246
t55.4/t56.6
53 99,716 None 2025-10-26 18:43
2026-05-13 14:50 		30957.2s
▶ (72104538481816809601416499^11... 240
t55.1/t56.6
49 94,468 None 2025-10-26 19:17
2026-05-13 14:37 		25122.9s
▶ (25475878380984043352191^13-1)... 243
t53.8/t56.6
40 75,268 None 2025-10-26 19:02
2026-05-13 13:25 		15277.3s
▶ aliquot:1134:i3845 186
t57.5/t57.2
34 172,036 None 2026-05-12 00:15
2026-05-13 13:22 		55958.6s
▶ (58893108598446252042430981^11... 209
t56.4/t56.3
57 109,828 None 2025-10-26 17:26
2026-05-13 08:47 		36242.6s
▶ (39104483442002338753847135748... 213
t56.3/t56.3
59 113,156 None 2025-10-26 17:32
2026-05-12 23:41 		45728.3s
▶ (42810454206772173530277785026... 216
t53.5/t56.6
37 73,476 None 2025-10-26 18:55
2026-05-12 22:30 		12587.2s
▶ (60688359771855343411262716061... 241
t52.2/t56.9
17 37,892 None 2025-10-26 20:28
2026-05-12 19:44 		10782.3s
▶ (112614002823949502163679249^1... 238
t50.1/t56.9
17 26,884 None 2025-10-26 20:09
2026-05-12 19:39 		10713.9s
▶ (166771798013281^17-1)/(166771... 198
t49.5/t56.6
20 41,177 None 2025-10-26 18:18
2026-05-12 18:56 		12516.0s
▶ (83197127088240304524014197^11... 206
t50.9/t56.6
25 50,948 None 2025-10-26 18:24
2026-05-12 18:44 		8614.3s
▶ aliquot:2514:i3158 195
t60.0/t60.0
73 220,533 None 2026-05-03 16:22
2026-05-12 17:27 		104526.3s
▶ (30163420820398534126991549465... 163
t51.8/t50.2
28 57,348 1 factor 2025-10-26 18:36
2026-05-12 17:24 		8554.4s
▶ aliquot:2664:i1303 177
t54.8/t54.5
26 116,740 None 2026-05-08 12:12
2026-05-12 16:29 		23061.3s
▶ aliquot:2712:i2065 168
t52.6/t51.7
22 86,133 1 factor 2026-05-10 11:27
2026-05-12 16:21 		6332.4s
▶ (9000777426691^19-1)/(90007774... 225
t56.6/t56.3
61 113,412 None 2025-10-26 17:44
2026-05-12 13:33 		28475.7s
▶ (11740832990819838125069882698... 191
t56.4/t56.3
66 118,902 1 factor 2025-10-26 17:14
2026-05-11 21:57 		22958.4s
▶ (7299216748441^19-1)/(72992167... 228
t56.5/t56.3
65 116,228 None 2025-10-26 17:38
2026-05-11 18:47 		29615.7s
▶ aliquot:2340:i790 201
t62.0/t61.8
97 266,756 None 2026-04-07 11:58
2026-05-11 08:28 		191020.8s
▶ (71108543286497786150585551^11... 216
t52.3/t56.6
31 61,956 None 2025-10-26 18:30
2026-05-10 10:22 		9632.2s
▶ (60565351720379462191592743^11... 178
t55.4/t54.8
53 97,979 1 factor 2025-10-26 17:58
2026-05-10 10:03 		24977.9s
▶ (17744134618167358492231724850... 218
t49.6/t57.2
9 20,228 None 2025-10-26 21:03
2026-05-09 18:40 		9996.6s
▶ (14116257872861650709866474075... 205
t49.5/t57.2
9 19,460 None 2025-10-26 20:39
2026-05-09 18:33 		6678.1s
▶ (16862624424596417137076308428... 213
t49.5/t57.2
9 19,460 None 2025-10-26 20:51
2026-05-09 18:24 		7412.4s
▶ (142217086572995572301171101^1... 212
t49.3/t57.2
9 20,996 None 2025-10-26 20:34
2026-05-09 18:15 		10458.2s
▶ (10004574497843340547102244943... 217
t49.3/t57.2
9 20,996 None 2025-10-26 21:36
2026-05-09 18:03 		8485.7s
▶ (29598740475855639480756170869... 132
t52.4/t40.6
31 59,298 1 factor 2025-10-26 17:20
2026-05-09 17:51 		5051.3s
▶ (17914497461071992735987278041... 230
t49.4/t57.2
11 22,276 None 2025-10-26 21:56
2026-05-09 17:46 		11237.0s
▶ (164073975092087916339751261^1... 253
t50.1/t57.2
11 24,580 None 2025-10-26 21:30
2026-05-09 16:56 		9022.3s
▶ (129409568546708254743158791^1... 254
t50.0/t57.2
13 27,396 None 2025-10-26 21:49
2026-05-09 16:50 		10081.7s
▶ (45905995538577666257338400662... 193
t49.0/t56.9
17 37,124 None 2025-10-26 19:30
2026-05-09 16:39 		3077.7s
▶ (19808727564995461^17-1)/(1980... 186
t49.4/t57.2
18 45,572 2 factors 2025-10-27 10:11
2026-05-09 16:36 		3476.9s
▶ (51494240481434395790987045340... 204
t49.2/t56.9
17 38,148 None 2025-10-26 19:43
2026-05-09 16:28 		4448.9s
▶ (30223862073379814571187^13-1)... 220
t48.7/t56.9
17 34,820 None 2025-10-26 20:02
2026-05-09 16:14 		3288.8s
▶ (90877849553975005003444747^11... 207
t49.0/t56.9
17 37,124 None 2025-10-26 19:56
2026-05-09 16:04 		3831.1s
▶ aliquot:1074:i2195 180
t55.5/t55.4
32 142,466 1 factor 2026-05-07 12:04
2026-05-08 21:46 		32366.4s
▶ (29763577470668473096691992842... 177
t54.6/t54.5
42 73,870 1 factor 2025-10-26 22:39
2026-05-08 16:45 		41976.9s
▶ aliquot:2232:i1351 173
t53.7/t53.2
22 89,856 None 2026-05-08 01:43
2026-05-08 15:01 		8629.1s
▶ (56592721350477229231897708087... 225
t45.0/t63.7
8 24,577 None 2025-10-27 20:16
2026-05-08 13:51 		5694.6s
▶ (18546863598479148808393090739... 242
t45.0/t63.7
8 24,577 None 2025-10-27 19:48
2026-05-08 12:48 		5838.8s
▶ (64852170705457741955185923109... 214
t45.7/t63.7
9 32,641 1 factor 2025-10-27 20:10
2026-05-08 11:40 		5257.0s
▶ (333609940477399^19-1)/(333609... 253
t45.0/t63.7
8 24,577 None 2025-10-27 20:03
2026-05-08 10:40 		6638.6s
▶ (24958547969361587543275111^13... 262
t45.0/t63.7
8 24,577 None 2025-10-27 20:29
2026-05-08 09:27 		6764.6s
▶ (22495586364198388609718299^13... 273
t45.0/t63.7
8 24,577 None 2025-10-27 19:41
2026-05-08 08:14 		6678.1s
▶ (36069506081215151369659916844... 257
t45.0/t63.7
8 24,577 1 factor 2025-10-27 19:56
2026-05-08 06:55 		6266.2s
▶ (17085086843467367728279^13-1)... 259
t56.5/t56.3
63 114,180 None 2025-10-26 17:51
2026-05-08 05:13 		30516.7s
▶ aliquot:3432:i1218 199
t61.3/t61.2
106 249,701 None 2026-04-11 17:32
2026-05-07 23:58 		180914.9s
▶ (12410491651357599558185809047... 182
t56.1/t56.0
61 113,756 5 factors 2025-12-01 13:35
2026-05-06 21:16 		48616.5s
▶ (99464940886304491608803610464... 1415
t40.0/t85.0
4 6,504 None 2026-02-11 13:17
2026-05-06 19:12 		7209.1s
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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