ECM Distributed Factorization Dashboard

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Currently showing: Priority 4 composites only
249
Total Composites
602
Total Attempts
2043
Factors Found
25
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
(179^331-1)/(179-1) 744
t35.4/t85.0
3 2,728 None 2026-02-10 11:35
2026-03-05 22:33
319.6s
(433^281-1)/(433-1) 739
t35.4/t85.0
3 2,728 None 2026-02-10 11:25
2026-03-05 22:28
362.0s
(19531^193-1)/(19531-1) 798
t35.4/t85.0
3 2,775 None 2026-02-10 12:23
2026-03-05 21:53
3324.4s
(3^1979-1)/(3-1) 906
t35.2/t85.0
4 4,392 None 2026-02-10 13:50
2026-03-05 21:38
249.7s
(398581^163-1)/(398581-1) 885
t35.2/t85.0
4 4,392 None 2026-02-10 13:26
2026-03-05 21:27
243.8s
(31^613-1)/(31-1) 870
t35.2/t85.0
4 4,392 None 2026-02-10 13:18
2026-03-05 21:24
240.4s
(5^1193-1)/(5-1) 824
t35.2/t85.0
4 4,392 None 2026-02-10 12:33
2026-03-05 21:15
218.2s
(19^593-1)/(19-1) 742
t31.4/t85.0
4 1,920 None 2026-02-10 11:32
2026-03-05 20:53
194.2s
(29^503-1)/(29-1) 735
t31.4/t85.0
3 1,960 None 2026-02-10 11:18
2026-03-05 20:51
213.8s
(305175781^89-1)/(305175781-1) 734
t31.4/t85.0
3 1,960 None 2026-02-10 11:02
2026-03-05 20:50
172.3s
(521^271-1)/(521-1) 734
t31.4/t85.0
3 1,960 None 2026-02-10 11:08
2026-03-05 20:48
167.6s
(120547934639675608922684101^2... 731
t31.3/t85.0
5 2,234 None 2026-02-10 10:51
2026-03-05 20:45
168.1s
(127^523-1)/(127-1) 1099
t31.3/t85.0
2 1,704 None 2026-02-10 15:42
2026-03-05 20:34
650.2s
(17^863-1)/(17-1) 1061
t31.3/t85.0
2 1,704 None 2026-02-10 15:24
2026-03-05 20:26
369.8s
(3221^283-1)/(3221-1) 983
t31.3/t85.0
2 1,704 None 2026-02-10 14:40
2026-03-05 19:53
289.2s
(292561^179-1)/(292561-1) 928
t31.3/t85.0
2 1,704 None 2026-02-10 14:02
2026-03-05 19:20
251.7s
(10711^73-1)/(10711-1) 273
t48.4/t60.6
7 27,649 None 2025-12-30 13:23
2026-03-05 19:19
5570.8s
(1367^89-1)/(1367-1) 256
t48.4/t60.6
7 27,649 None 2025-12-28 09:03
2026-03-05 19:18
4039.9s
(2377^83-1)/(2377-1) 260
t48.4/t60.3
7 27,649 None 2025-12-28 13:33
2026-03-04 20:55
3530.2s
(44371^61-1)/(44371-1) 253
t48.4/t60.3
7 27,649 None 2025-12-28 12:05
2026-03-04 20:36
5750.2s
(5^1187-1)/(5-1) 786
t35.2/t85.0
2 1,384 None 2026-02-10 12:16
2026-03-04 14:56
355.0s
(7^929-1)/(7-1) 776
t35.2/t85.0
2 1,384 None 2026-02-10 12:10
2026-03-04 14:54
351.2s
(31^521-1)/(31-1) 749
t35.2/t85.0
2 1,384 None 2026-02-10 11:38
2026-03-04 14:35
321.9s
(21319^61-1)/(21319-1) 260
t53.7/t56.0
27 69,121 None 2025-12-28 03:49
2026-03-04 11:34
26073.3s
(33023^61-1)/(33023-1) 272
t48.4/t58.5
7 27,649 None 2025-12-28 08:04
2026-03-02 15:00
5033.8s
(1877^83-1)/(1877-1) 251
t47.1/t58.5
7 21,505 None 2025-12-28 10:30
2026-03-02 14:56
5586.2s
(11519^67-1)/(11519-1) 260
t48.4/t58.2
7 27,649 None 2025-12-28 09:10
2026-03-02 03:22
4146.0s
(21347^61-1)/(21347-1) 260
t48.4/t57.5
7 27,649 None 2025-12-28 05:23
2026-03-01 23:47
4592.7s
(3067^79-1)/(3067-1) 255
t48.4/t57.5
7 27,649 None 2025-12-28 08:26
2026-03-01 23:47
2870.9s
(307747777673827^17-1)/(307747... 230
t54.0/t57.2
10 20,097 None 2025-12-21 21:46
2026-03-01 21:48
1245.8s
(2417^79-1)/(2417-1) 257
t46.1/t56.6
7 27,649 None 2025-12-28 06:36
2026-03-01 18:05
3667.0s
(70991^61-1)/(70991-1) 292
t48.3/t62.8
6 27,648 None 2025-12-30 05:09
2026-02-28 15:45
20822.1s
(853^101-1)/(853-1) 266
t48.4/t63.1
6 27,648 None 2025-12-30 01:43
2026-02-28 12:56
6586.4s
(811^103-1)/(811-1) 293
t48.4/t62.8
6 27,648 None 2025-12-30 11:32
2026-02-28 12:11
4567.5s
(18191^67-1)/(18191-1) 257
t48.4/t61.5
6 27,648 None 2025-12-30 01:21
2026-02-26 14:14
4778.5s
(4079^79-1)/(4079-1) 278
t48.4/t60.9
6 27,648 None 2025-12-28 13:25
2026-02-26 13:29
4630.4s
(1097^97-1)/(1097-1) 257
t45.2/t62.5
4 16,896 None 2025-12-30 04:25
2026-02-24 12:43
8405.0s
(431^149-1)/(431-1) 376
t40.5/t83.4
4 8,254 None 2026-01-10 01:19
2026-02-19 16:28
1125.2s
(3877^73-1)/(3877-1) 250
t55.5/t55.4
36 109,056 None 2025-12-28 07:35
2026-02-12 17:29
73812.1s
(661^257-1)/(661-1) 722
t41.8/t85.0
2 4,608 None 2026-02-05 21:08
2026-02-06 22:35
11057.0s
(53^421-1)/(53-1) 725
t41.8/t85.0
2 4,608 None 2026-02-05 23:30
2026-02-06 22:27
5452.8s
(14845204255764341964559422386... 723
t41.8/t85.0
2 4,608 None 2026-02-05 22:33
2026-02-06 21:43
6792.8s
(769^251-1)/(769-1) 722
t41.8/t85.0
2 4,608 None 2026-02-05 22:04
2026-02-06 20:57
4686.3s
(113^349-1)/(113-1) 705
t41.8/t85.0
2 4,608 None 2026-02-05 10:41
2026-02-06 19:49
6495.7s
(941^241-1)/(941-1) 714
t41.8/t85.0
2 4,608 None 2026-02-05 17:21
2026-02-06 19:38
4766.3s
(1181^227-1)/(1181-1) 695
t41.8/t85.0
2 4,608 None 2026-02-05 03:36
2026-02-06 19:31
10425.2s
(1163^229-1)/(1163-1) 699
t41.8/t85.0
2 4,608 None 2026-02-05 06:54
2026-02-06 19:08
4449.0s
(416450882401^61-1)/(416450882... 656
t39.0/t85.0
2 2,948 1 factor 2026-02-05 05:01
2026-02-06 18:01
1820.0s
(1321^223-1)/(1321-1) 693
t41.8/t85.0
2 4,608 None 2026-02-05 01:42
2026-02-06 17:31
6324.1s
(1669^211-1)/(1669-1) 677
t41.8/t85.0
2 4,608 None 2026-02-04 16:36
2026-02-06 16:37
9889.1s
Recent Factors Found View All 2043 Factors →
Factor Bits Digits Composite Discovery Method Sigma Group Order Discovered
583973949926155304817199533900763 109 33 (798132266540249392852250204868706276006... ecm 1:2606453926 583973949926155277713730050710... 2026-03-05 22:25
220570005137045417053 68 21 (2350114685518698628073293^17-1)/(235011... ecm 1:751582660 220570005127769264448 2026-03-05 21:47
64682404207350902098219672001540023 116 35 (2077714240531718329952101^17-1)/(207771... ecm 1:2262983980 646824042073509017753834684632... 2026-03-05 21:27
6466572228486438326388478768291 103 31 (25021394469806702616774147031213^13-1)/... ecm 1:420200672 646657222848644319492883750018... 2026-03-05 21:26
55143190859775860992913933687177 106 32 (43765323523457493283471240101991183^11-... ecm 1:3927567270 551431908597758538582869035522... 2026-03-05 21:08
3248504689383467821 62 19 (578026810151521^23-1)/(578026810151521-... ecm 1:2041978546 3248504686709112624 2026-03-05 20:58
454003129494401685657971854140086060329 129 39 (575082839666011^23-1)/(575082839666011-... ecm 1:440138030 454003129494401685680907361922... 2026-03-05 20:49
962077512452880838428371 80 24 (647007514899264456324574251329522651746... ecm 1:93025044 962077512453026379003664 2026-03-05 20:34
100567807975897152922934397991 97 30 (571933374851449532877138036719780619928... ecm 3:2339609811 100567807975897295853087821652 2026-03-05 18:18
3881074202725819742408493467141623213 122 37 (1520986644587248920205351^17-1)/(152098... ecm 1:3100435260 388107420272581974197421650385... 2026-03-05 18:02
384535161600484578451070420896841063 119 36 (19184299770663767215159840319197^13-1)/... ecm 1:2640332495 384535161600484577881558784645... 2026-03-05 17:57
28881793265315259254188368871653432685906749443 155 47 (4591^101-1)/(4591-1) ecm 1:2422668827 288817932653152592541885018035... 2026-03-05 17:49
5910568283805164465164642234603698983 123 37 (3967169518633461054673984501^11-1)/(396... pm1 N/A 591056828380516446516464223460... 2026-03-05 17:21
3117700878631075126831923988428737933 122 37 (13904992194004381^17-1)/(13904992194004... pm1 N/A 311770087863107512683192398842... 2026-03-05 17:08
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
67568169397 36 11 (861709438783503449402429286616334956289... ecm 1:4086117953 67568626316 2026-03-05 15:09
982535440603256906479 70 21 (861709438783503449402429286616334956289... ecm 1:4086117953 982535440551099764016 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

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