ECM Distributed Factorization Dashboard

ECM Testing Status P-1/P+1 Status All Curves All Factors Leaderboard Residue Status
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Priority:
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Currently showing: Priority 4 composites
2472
Total Composites
13859
Total Attempts
57266
Factors Found
83
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
▶ aliquot:1920:i2634 189
t53.3/t58.2
21 96,516 None 2026-08-16 22:30
2026-08-18 02:00 		7369.1s
▶ aliquot:1734:i2689 186
t50.0/t57.2
14 75,264 None 2026-08-17 13:53
2026-08-18 01:09 		3522.0s
▶ (6266791934726823850590403^11-... 183
t53.5/t54.2
40 96,004 None 2026-02-04 09:35
2026-08-18 00:04 		29443.9s
▶ (5773226927400798689657^13-1)/... 250
t49.9/t55.1
23 52,844 None 2026-02-10 11:43
2026-08-17 15:51 		23218.0s
▶ (4844027097467060229431^13-1)/... 229
t50.2/t55.1
23 58,988 None 2026-02-10 11:19
2026-08-17 15:49 		14345.6s
▶ (3791139504307^19-1)/(37911395... 222
t50.2/t55.1
27 58,613 None 2026-02-10 11:10
2026-08-17 15:46 		21744.9s
▶ (2017^79-1)/(2017-1) 207
t50.1/t55.1
25 57,717 None 2026-02-10 10:44
2026-08-17 15:44 		13884.8s
▶ (12267153193^23-1)/(1226715319... 200
t50.2/t55.1
27 59,381 None 2026-02-10 10:38
2026-08-17 15:42 		12094.2s
▶ (27314002606570854295951716135... 226
t51.2/t55.1
23 61,548 None 2026-02-10 11:17
2026-08-17 15:40 		23064.2s
▶ (3276399173068554795191^13-1)/... 239
t51.3/t54.8
28 66,301 None 2026-02-10 09:36
2026-08-17 15:34 		26346.2s
▶ (39859086251898199042476111073... 188
t50.0/t54.8
25 55,925 None 2026-02-09 16:29
2026-08-17 15:27 		8406.2s
▶ (2277499309493^19-1)/(22774993... 189
t49.2/t54.8
28 50,165 None 2026-02-09 16:30
2026-08-17 15:25 		4246.4s
▶ (4408320270589390433141^13-1)/... 218
t50.4/t54.8
27 63,733 None 2026-02-10 09:02
2026-08-17 15:23 		9253.6s
▶ (15963538828617788246719669^11... 250
t52.0/t54.8
29 70,389 None 2026-02-10 09:59
2026-08-17 15:21 		12588.6s
▶ (3683456379316422430481^13-1)/... 256
t50.2/t54.8
25 58,485 None 2026-02-10 10:07
2026-08-17 15:14 		18649.0s
▶ (10465170479478397824116797^11... 180
t51.4/t54.8
27 68,523 1 factor 2026-02-09 15:41
2026-08-17 15:11 		11835.1s
▶ (87881701734176902293199643918... 225
t49.8/t54.8
27 53,365 None 2026-02-10 09:14
2026-08-17 15:07 		5273.0s
▶ (15328339486250977076150863^11... 210
t51.4/t54.8
27 67,189 None 2026-02-10 08:51
2026-08-17 15:04 		11707.1s
▶ (15300911719107922166725634157... 221
t50.4/t54.8
29 62,709 None 2026-02-10 09:08
2026-08-17 14:59 		14836.0s
▶ (82061178338960449344107538384... 205
t51.4/t54.8
22 50,180 None 2026-02-10 01:20
2026-08-17 14:56 		34728.5s
▶ (12024735984722311807613551^11... 247
t52.1/t54.8
29 67,189 None 2026-02-10 09:53
2026-08-17 14:51 		14173.7s
▶ (43862892174028204691736918731... 240
t52.1/t54.5
29 67,957 None 2026-02-09 15:46
2026-08-17 14:44 		15304.0s
▶ (19142103238441^17-1)/(1914210... 203
t51.3/t54.5
29 68,725 None 2026-02-09 15:19
2026-08-17 14:38 		11597.0s
▶ (29053497525936035681278960138... 187
t53.3/t54.5
36 90,930 1 factor 2026-02-04 09:34
2026-08-17 14:33 		14270.6s
▶ (39556511560926948368051618063... 236
t49.9/t54.5
29 56,565 None 2026-02-09 15:42
2026-08-17 14:28 		7484.4s
▶ (8932496639465816201022881^11-... 231
t50.4/t54.5
24 45,316 None 2026-02-09 15:56
2026-08-17 14:25 		9147.4s
▶ (2924819713760751607121^13-1)/... 224
t51.3/t54.5
29 62,581 None 2026-02-09 15:35
2026-08-17 14:23 		27233.6s
▶ (3011913661965600461029^13-1)/... 212
t51.3/t54.5
33 63,221 None 2026-02-09 15:28
2026-08-17 14:17 		19659.7s
▶ (10345788322745407432628729^11... 211
t52.0/t54.5
31 66,933 None 2026-02-09 15:27
2026-08-17 14:11 		14065.8s
▶ aliquot:1488:i1640 182
t56.2/t56.0
28 139,780 None 2026-08-14 23:54
2026-08-17 14:06 		39227.2s
▶ (44907833917905025459669254833... 213
t50.3/t54.5
33 60,661 None 2026-02-09 15:28
2026-08-17 14:05 		20584.4s
▶ (3049818434829317948539^13-1)/... 254
t53.1/t54.5
30 96,772 None 2026-02-04 12:47
2026-08-17 14:03 		11968.3s
▶ (10951605678053600337063072926... 188
t53.7/t54.2
34 98,052 None 2026-02-04 09:35
2026-08-17 13:56 		15972.5s
▶ aliquot:1134:i3879 194
t59.8/t59.7
46 236,548 None 2026-08-08 16:06
2026-08-17 11:34 		84696.5s
▶ aliquot:1512:i2405 182
t56.2/t56.0
28 139,780 None 2026-08-11 21:33
2026-08-17 04:47 		17308.4s
▶ aliquot:1560:i2017 178
t54.8/t54.8
26 129,028 2 factors 2026-08-12 19:14
2026-08-17 04:02 		21898.5s
▶ aliquot:1476:i1316 164
t52.1/t50.5
18 84,540 1 factor 2026-08-12 03:10
2026-08-17 03:56 		1508.2s
▶ aliquot:1074:i2213 201
t60.0/t61.8
48 247,300 None 2026-08-06 17:28
2026-08-16 03:06 		132783.1s
▶ aliquot:1464:i2464 161
t50.0/t49.5
17 78,592 2 factors 2026-08-11 23:14
2026-08-12 03:14 		1418.1s
▶ (26403131021^23-1)/(2640313102... 221
t44.3/t64.9
9 35,585 None 2026-06-10 18:22
2026-08-10 22:32 		1180.5s
▶ (9201059666631735331095181^11-... 194
t50.9/t54.5
29 67,077 1 factor 2026-02-09 15:47
2026-08-10 18:13 		10399.3s
▶ aliquot:1632:i1588 183
t56.9/t56.3
30 150,532 None 2026-08-06 17:28
2026-08-08 13:22 		36798.3s
▶ (18064703304470747752563021580... 193
t54.2/t54.2
32 101,636 None 2026-02-04 09:34
2026-08-03 19:14 		12387.3s
▶ (29383443125118125750660696302... 240
t54.6/t54.2
34 107,780 None 2026-02-04 09:34
2026-08-03 18:54 		22881.8s
▶ (893736880630277^17-1)/(893736... 231
t43.1/t58.2
12 25,604 None 2026-02-16 22:48
2026-07-29 14:01 		4130.4s
▶ (354639323684545612988577649^1... 226
t43.4/t58.2
12 26,372 None 2026-02-16 22:46
2026-07-29 13:02 		4401.4s
▶ (15221321^37-1)/(15221321-1) 223
t43.6/t58.2
12 27,140 None 2026-02-16 22:44
2026-07-29 12:24 		4758.5s
▶ (839108393120143^17-1)/(839108... 204
t43.2/t58.2
13 28,036 None 2026-02-16 22:38
2026-07-29 11:51 		3449.4s
▶ (350629641953301517546168193^1... 204
t43.6/t58.2
12 27,140 None 2026-02-16 22:38
2026-07-29 11:27 		3418.1s
▶ (61103847439043729144360603032... 189
t43.1/t58.2
12 25,273 None 2026-02-16 22:24
2026-07-29 11:04 		2633.1s
Recent Factors Found View All 57266 Factors →
Factor Bits Digits Composite Discovery Method Sigma Group Order Discovered
110603822356883951 57 18 aliquot:2232:i1414 ecm 3:3998872132 110603822034025880 2026-08-18 02:01
5494251495662954839423087 83 25 aliquot:3560216:i4954 ecm 3:345861670 5494251495661677371435820 2026-08-18 01:21
443723148431 39 12 aliquot:3560216:i4953 ecm 3:1515980485 443723826168 2026-08-18 01:21
6706681229735362927696126253389 103 31 aliquot:3560216:i4952 ecm 3:3171957247 670668122973536501741397485161... 2026-08-18 01:19
735834642034330357 60 18 aliquot:3560216:i4952 ecm 3:3065769641 735834642055182760 2026-08-18 01:19
100746638057547606344811331753089958667 127 39 aliquot:3560216:i4951 ecm 3:263896711 100746638057547606344752275790... 2026-08-18 01:18
26950826281762839223 65 20 aliquot:3560216:i4950 ecm 3:1772029948 26950826284335833200 2026-08-18 01:14
21224903346472853052765371 85 26 aliquot:2232:i1413 ecm 3:856253037 21224903346467330116631832 2026-08-18 00:39
93413104963671407 57 17 aliquot:2232:i1413 ecm 3:856252043 93413104740580464 2026-08-18 00:39
709071333574651 50 15 aliquot:4438920:i3329 ecm 3:1746469822 709071313254792 2026-08-18 00:39
440387358179 39 12 aliquot:3560216:i4949 ecm 3:160704053 440387424372 2026-08-18 00:24
282704398759640591026798689109 98 30 aliquot:3560216:i4948 ecm 3:3655769395 282704398759641167630304934300 2026-08-18 00:24
30574136435493297139 65 20 aliquot:3560216:i4948 ecm 3:1531425879 30574136431937345664 2026-08-18 00:24
4587286551335051 53 16 aliquot:3560216:i4948 ecm 3:1531425882 4587286495844640 2026-08-18 00:24
5159954589924085548144422136732829 112 34 aliquot:4438920:i3328 ecm 3:2377946787 515995458992408564394423399128... 2026-08-18 00:07
3493807749649178077 62 19 aliquot:3560216:i4946 ecm 3:4060934071 3493807749800058080 2026-08-17 23:01
11932918629429641 54 17 aliquot:3560216:i4946 ecm 3:4060934309 11932918725928252 2026-08-17 23:01
540407083447574429987 69 21 aliquot:3560216:i4945 ecm 3:3438100926 540407083473680698176 2026-08-17 23:01
2779987283342600413 62 19 aliquot:3560216:i4945 ecm 3:3438101100 2779987286510974644 2026-08-17 23:01
2664374960333 42 13 aliquot:3560216:i4945 ecm 3:3438100639 2664374271108 2026-08-17 23:01
23547897728324619364954055897 95 29 aliquot:3560216:i4944 ecm 3:735301800 23547897728324381089559118336 2026-08-17 23:01
6544105065852571192517513 83 25 aliquot:3560216:i4944 ecm 3:546574755 6544105065853781987538432 2026-08-17 23:01
12371503 24 8 aliquot:3560216:i4944 ecm 3:3304717036 12368560 2026-08-17 23:01
14390483865478264855274567 84 26 aliquot:3560216:i4943 ecm 3:3287832128 14390483865479009231375952 2026-08-17 22:59
520328771513 39 12 aliquot:3560216:i4943 ecm 3:3407970904 520328486712 2026-08-17 22:59

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