ECM Distributed Factorization Dashboard

ECM Testing Status P-1/P+1 Status All Curves All Factors Leaderboard Residue Status
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101070
Total Composites
76973
Total Attempts
2029
Factors Found
2780
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
(1023923263079881036158283^17-... 367
t35.0/t78.2
1 1,024 None 2026-03-05 16:49
2026-03-05 16:49
44.2s
(16510428095693708624588159239... 366
t35.0/t78.2
1 1,024 None 2026-03-05 16:48
2026-03-05 16:48
42.6s
(41805080652321234661782234899... 299
t41.8/t74.8
2 5,120 None 2026-03-05 15:43
2026-03-05 16:48
324.8s
(57193337485144953287713803671... 3294
t28.6/t85.0
4 3,691 None 2026-02-27 12:55
2026-03-05 16:48
75.2s
(14518089291682196886479619394... 364
t35.0/t78.2
1 1,024 None 2026-03-05 16:47
2026-03-05 16:47
41.7s
(14655413194540414635871486096... 362
t35.0/t78.2
1 1,024 None 2026-03-05 16:46
2026-03-05 16:46
41.7s
(1173749374057501355407021^17-... 362
t35.0/t78.2
1 1,024 None 2026-03-05 16:46
2026-03-05 16:46
41.7s
(1180724419882981556223721^17-... 361
t35.0/t78.2
1 1,024 None 2026-03-05 16:45
2026-03-05 16:45
41.7s
(15685775753266232830435583031... 360
t35.0/t78.2
1 1,024 None 2026-03-05 16:44
2026-03-05 16:44
41.6s
(15208909986517269808633359632... 335
t30.1/t78.2
1 133 1 factor 2026-03-05 16:44
2026-03-05 16:44
9.9s
(22878704446906118696141102489... 357
t35.0/t78.2
1 1,024 None 2026-03-05 16:43
2026-03-05 16:43
41.6s
(20175673612666798331843874651... 357
t35.0/t78.2
1 1,024 None 2026-03-05 16:43
2026-03-05 16:43
41.6s
(39554235147521208709295453317... 287
t41.8/t74.8
2 5,120 None 2026-03-05 15:30
2026-03-05 16:42
292.5s
(14613187482733152880372523183... 355
t35.0/t78.2
1 1,024 None 2026-03-05 16:42
2026-03-05 16:42
41.6s
(18857250222388682568271323922... 355
t35.0/t78.2
1 1,024 None 2026-03-05 16:41
2026-03-05 16:41
41.7s
(17049927741295723419455438456... 354
t35.0/t78.2
1 1,024 None 2026-03-05 16:40
2026-03-05 16:40
41.6s
(360541^67-1)/(360541-1) 354
t35.0/t78.2
1 1,024 None 2026-03-05 16:40
2026-03-05 16:40
41.6s
(13246484209592233226945963496... 353
t35.0/t78.2
1 1,024 None 2026-03-05 16:39
2026-03-05 16:39
41.6s
(32548695000043^17-1)/(3254869... 181
t30.1/t55.4
5 858 None 2025-11-06 22:34
2026-03-05 16:39
1178.5s
(6228362269^37-1)/(6228362269-... 353
t35.0/t78.2
1 1,024 None 2026-03-05 16:38
2026-03-05 16:38
41.7s
(20264842151873630217441250423... 353
t35.0/t78.2
1 1,024 None 2026-03-05 16:37
2026-03-05 16:37
41.6s
(17425172936315379716143291^11... 182
t30.1/t55.4
5 858 None 2025-11-07 00:33
2026-03-05 16:37
1176.3s
(68877562018620819169455195146... 269
t41.8/t74.8
2 5,120 None 2026-03-05 15:13
2026-03-05 16:37
275.0s
(8719029597379^17-1)/(87190295... 183
t30.1/t55.4
5 858 None 2025-11-24 23:25
2026-03-05 16:37
1201.3s
(596514349^41-1)/(596514349-1) 352
t35.0/t78.2
1 1,024 None 2026-03-05 16:37
2026-03-05 16:37
41.7s
(16679474057508567047163732039... 350
t35.0/t78.2
1 1,024 None 2026-03-05 16:36
2026-03-05 16:36
41.5s
(79469256567559^19-1)/(7946925... 234
t29.3/t60.6
2 5,377 None 2026-02-17 04:27
2026-03-05 16:36
1171.1s
(45803808469261578723524157611... 3030
t28.6/t85.0
4 3,691 None 2026-02-27 12:55
2026-03-05 16:36
65.9s
(286541^67-1)/(286541-1) 348
t35.0/t78.2
1 1,024 None 2026-03-05 16:35
2026-03-05 16:35
41.8s
(79969988151973^19-1)/(7996998... 235
t29.3/t60.6
2 5,377 None 2026-02-17 04:28
2026-03-05 16:35
1173.7s
(1079842783230617899605139^13-... 236
t29.3/t60.6
2 5,377 None 2026-02-17 04:28
2026-03-05 16:35
1185.0s
(5787763^53-1)/(5787763-1) 348
t35.0/t78.2
1 1,024 None 2026-03-05 16:35
2026-03-05 16:35
41.8s
(5319047759^37-1)/(5319047759-... 348
t35.0/t78.2
1 1,024 None 2026-03-05 16:34
2026-03-05 16:34
41.7s
(13633455369577111^17-1)/(1363... 239
t29.3/t60.6
2 5,377 None 2026-02-17 04:29
2026-03-05 16:33
1178.4s
(1185770863326367165595023^17-... 347
t35.0/t78.2
1 1,024 None 2026-03-05 16:33
2026-03-05 16:33
39.5s
(1128854178262465262592811^13-... 239
t29.3/t60.6
2 5,377 None 2026-02-17 04:29
2026-03-05 16:33
1175.7s
(48584618649095320334203535780... 268
t41.8/t74.8
2 5,120 None 2026-03-05 14:57
2026-03-05 16:33
274.7s
(25587073758109361381268259419... 345
t35.0/t78.2
1 1,024 None 2026-03-05 16:32
2026-03-05 16:32
38.6s
(22160664396537293971332368720... 343
t35.0/t78.2
1 1,024 None 2026-03-05 16:32
2026-03-05 16:32
38.7s
(14313878518548265838501141211... 315
t36.1/t74.8
1 2,560 None 2026-03-05 16:31
2026-03-05 16:31
0.0s
(2387363771591^29-1)/(23873637... 343
t35.0/t78.2
1 1,024 None 2026-03-05 16:31
2026-03-05 16:31
38.6s
(16321800624079224713844139821... 342
t35.0/t78.2
1 1,024 None 2026-03-05 16:30
2026-03-05 16:30
38.6s
(26895998283271195040707794005... 341
t35.0/t78.2
1 1,024 None 2026-03-05 16:30
2026-03-05 16:30
38.5s
(2168798562241^29-1)/(21687985... 340
t35.0/t78.2
1 1,024 None 2026-03-05 16:29
2026-03-05 16:29
38.4s
(13^349-1)/(13-1) 340
t35.0/t78.2
1 1,024 None 2026-03-05 16:28
2026-03-05 16:28
38.6s
(73813485373336531538242542079... 262
t41.8/t74.8
2 5,120 None 2026-03-05 14:40
2026-03-05 16:28
271.6s
(15991592735134486849991621253... 340
t35.0/t78.2
1 1,024 None 2026-03-05 16:28
2026-03-05 16:28
38.5s
(2246354414917^29-1)/(22463544... 339
t35.0/t78.2
1 1,024 None 2026-03-05 16:27
2026-03-05 16:27
38.5s
(14111906563049497982760750439... 2751
t28.6/t85.0
4 3,691 None 2026-02-27 12:54
2026-03-05 16:27
57.7s
(50135865383518746997256445382... 162
t48.8/t49.8
12 38,565 3 factors 2026-01-15 02:21
2026-03-05 16:27
6242.3s
Recent Factors Found View All 2029 Factors →
Factor Bits Digits Composite Discovery Method Sigma Group Order Discovered
1631688405801688825836701 81 25 (15208909986517269808633359632833^13-1)/... ecm 1:3403212930 1631688405800505304415728 2026-03-05 16:44
145408531168481302989939097436376121076747 137 42 (1263012864828498243576751^17-1)/(126301... ecm 1:2030105930 145408531168481302990252206226... 2026-03-05 15:36
982535440603256906479 70 21 (861709438783503449402429286616334956289... ecm 1:4086117953 982535440551099764016 2026-03-05 15:09
67568169397 36 11 (861709438783503449402429286616334956289... ecm 1:4086117953 67568626316 2026-03-05 15:09
61575303192779722167563499401474819561 126 38 (10934538587539854646349560392313^13-1)/... ecm 1:2511287209 615753031927797221796632731060... 2026-03-05 14:58
475351308584014821903712173756125611739 129 39 (131573310553144475824068363180337854813... ecm 1:3632377633 475351308584014821891765844217... 2026-03-05 14:50
263862062436511500869258840588867 108 33 (11271793899296994952110805102213^13-1)/... ecm 1:2445269627 263862062436511502748317934773... 2026-03-05 14:36
7062320347170385463 63 19 (21334955668208563250308237498374109^11-... ecm 1:3214071191 7062320343624716008 2026-03-05 14:32
6750470137216833274362239700761 103 31 (103583324709896205116689719842624486168... ecm 1:2746075791 675047013721683358495074254337... 2026-03-05 14:06
15353245907577332827393364409732667843 124 38 (568107524921448054062617^17-1)/(5681075... ecm 1:3914232218 153532459075773328214588803666... 2026-03-05 13:47
860797277220544051 60 18 (587123206109434135893571^17-1)/(5871232... ecm 1:2265354276 860797275731558904 2026-03-05 13:45
59004874009660027 56 17 (532194649992705702749203906167380729129... ecm 1:3656671804 59004874140017520 2026-03-05 13:38
83310667023402535955554112701592814911 126 38 (442708288722334098736045398072895801321... ecm 1:1878011858 833106670234025359467144119102... 2026-03-05 13:28
3195027420863867757014334523896675179 122 37 (466874379127290128250005977227081687949... ecm 1:1845957622 319502742086386775776463297803... 2026-03-05 12:54
1711695250420003192892807101363369 111 34 (644114084722224459877549^17-1)/(6441140... ecm 1:3184913558 171169525042000324802698408616... 2026-03-05 12:53
867776203158952966749671333779723331 120 36 (494826215431945989652262654495545341230... ecm 1:2787117489 867776203158952967154346428755... 2026-03-05 12:39
25298940561414510800461 75 23 (804003386782764467064713141539770721026... ecm 1:2321647006 25298940561110582195936 2026-03-05 12:38
33305636064425962291 65 20 (667370575689031925997366800985206226890... ecm 1:3810736656 33305636071298779584 2026-03-05 12:31
1355375387800640025319611595396492537 121 37 (13475125152459510890761326578929603^11-... ecm 1:1786636159 135537538780064002479418394005... 2026-03-05 12:30
731636222178946448587 70 21 (640119644782006284305387546245218959275... ecm 1:1815730164 731636222196868023840 2026-03-05 12:07
267612611973572182227343833206467130797241408090437 168 51 (308112889782726384673971445848783446934... ecm 1:1203460726 267612611973572182227343811002... 2026-03-05 11:49
20703859786149790136197551007 95 29 (7844413994277099706953641540761^13-1)/(... ecm 1:4263814798 20703859786149535630820755808 2026-03-05 11:44
17282052012325877569908355347922411213 124 38 (10671408781656520278433006647361369^11-... ecm 1:2509400116 172820520123258775636708269659... 2026-03-05 11:23
25313401973719265105853313065880941149 125 38 (434462441686486704420429102004817053082... ecm 1:3405219622 253134019737192651098306088792... 2026-03-05 11:23
223747620163 38 12 (10434845621903564882220626048085877^11-... ecm 1:4231060585 223748460416 2026-03-05 11:19

API Documentation: /docs