Recent ECM Curves

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Composites
Curves Aggregated by Composite

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Composite Digits T-Level Progress Batches Total Curves Factors Found First/Last Attempt Total Time
▶ (5^1193-1)/(5-1) 824
t43.9/t85.0
11 13,160 None 2026-02-10 12:33
2026-03-28 16:19 		11924.3s
▶ (54038029547804609124772424255... 405
t36.1/t85.0
1 2,560 1 factor 2026-03-28 15:51
2026-03-28 15:51 		0.0s
▶ (8232675616541041^13-1)/(82326... 164
t44.2/t43.7
19 22,106 None 2025-11-04 14:23
2026-03-28 15:40 		7686.8s
▶ (1471^163-1)/(1471-1) 505
t43.8/t85.0
3 5,632 None 2026-01-17 14:05
2026-03-28 15:25 		2768.2s
▶ (4513^139-1)/(4513-1) 505
t43.8/t85.0
3 5,632 None 2026-01-17 13:50
2026-03-28 15:01 		2733.5s
▶ (1037517185381^43-1)/(10375171... 505
t43.8/t85.0
3 5,632 None 2026-01-17 13:35
2026-03-28 14:36 		3913.0s
▶ (62135047406534177267287172645... 270
t31.1/t62.8
3 5,889 None 2026-02-17 09:55
2026-03-28 14:27 		3834.0s
▶ (4463^139-1)/(4463-1) 504
t43.8/t85.0
3 5,632 None 2026-01-17 13:20
2026-03-28 14:12 		4838.2s
▶ (1439^173-1)/(1439-1) 503
t43.8/t85.0
3 5,632 None 2026-01-17 12:51
2026-03-28 13:47 		4835.5s
▶ (25254858363865896064614781299... 168
t52.2/t51.7
24 62,213 None 2025-10-26 02:09
2026-03-28 13:24 		15753.7s
▶ (44371^109-1)/(44371-1) 502
t43.8/t85.0
3 5,632 None 2026-01-17 12:21
2026-03-28 13:23 		4348.6s
▶ (2221^151-1)/(2221-1) 502
t43.8/t85.0
3 5,632 None 2026-01-17 11:51
2026-03-28 12:59 		4087.3s
▶ (13030123336593165991732564564... 159
t49.6/t48.9
18 46,088 1 factor 2025-10-26 05:16
2026-03-28 12:48 		8157.8s
▶ (2203^151-1)/(2203-1) 502
t43.8/t85.0
3 5,632 None 2026-01-17 11:22
2026-03-28 12:34 		3881.8s
▶ (376364081347875370546831^11-1... 188
t52.3/t51.7
24 63,749 None 2025-10-26 02:40
2026-03-28 12:16 		30134.6s
▶ (1637^157-1)/(1637-1) 502
t43.8/t85.0
3 5,632 None 2026-01-17 11:07
2026-03-28 12:10 		4862.9s
▶ (7^601-1)/(7-1) 501
t43.8/t85.0
3 5,632 None 2026-01-17 10:37
2026-03-28 11:45 		3717.7s
▶ (4789^137-1)/(4789-1) 501
t43.8/t85.0
3 5,632 None 2026-01-17 10:23
2026-03-28 11:22 		4690.4s
▶ (193^223-1)/(193-1) 499
t43.8/t85.0
3 5,632 None 2026-01-17 09:38
2026-03-28 10:58 		3697.7s
▶ (4519^137-1)/(4519-1) 498
t43.8/t85.0
3 5,632 None 2026-01-17 08:39
2026-03-28 10:35 		4608.4s
▶ (2087^151-1)/(2087-1) 498
t43.8/t85.0
3 5,632 None 2026-01-17 08:09
2026-03-28 10:12 		3695.7s
▶ (3259^151-1)/(3259-1) 498
t43.8/t85.0
3 5,632 None 2026-01-17 09:23
2026-03-28 09:49 		4612.0s
▶ (13^457-1)/(13-1) 498
t43.8/t85.0
3 5,632 None 2026-01-17 08:24
2026-03-28 09:26 		3699.8s
▶ (1619^163-1)/(1619-1) 497
t43.8/t85.0
3 5,632 None 2026-01-17 07:40
2026-03-28 09:03 		3697.3s
▶ (3881^139-1)/(3881-1) 496
t43.8/t85.0
3 5,632 None 2026-01-17 07:10
2026-03-28 08:40 		3693.4s
▶ (4391^137-1)/(4391-1) 496
t43.8/t85.0
3 5,632 None 2026-01-17 06:55
2026-03-28 08:17 		4608.3s
▶ (1907^163-1)/(1907-1) 495
t43.8/t85.0
3 5,632 None 2026-01-17 06:26
2026-03-28 07:53 		3695.4s
▶ (4093^137-1)/(4093-1) 492
t43.8/t85.0
3 5,632 None 2026-01-17 05:56
2026-03-28 07:30 		4621.5s
▶ (877121779867765511^17-1)/(877... 243
t41.4/t64.3
3 9,858 1 factor 2026-02-17 20:44
2026-03-28 07:13 		5454.7s
▶ (4127^137-1)/(4127-1) 492
t43.8/t85.0
3 5,632 None 2026-01-17 05:41
2026-03-28 07:07 		3694.4s
▶ (1063^163-1)/(1063-1) 491
t43.8/t85.0
3 5,632 None 2026-01-17 05:12
2026-03-28 06:44 		3695.9s
▶ (1093^167-1)/(1093-1) 491
t43.8/t85.0
3 5,632 None 2026-01-17 04:57
2026-03-28 06:21 		4625.9s
▶ (3947^137-1)/(3947-1) 490
t43.8/t85.0
3 5,632 None 2026-01-17 04:27
2026-03-28 05:58 		2655.3s
▶ (5^709-1)/(5-1) 490
t43.8/t85.0
3 5,632 None 2026-01-17 04:12
2026-03-28 05:35 		2643.1s
▶ (370805999291685608311291^11-1... 201
t52.2/t51.7
24 62,213 None 2025-10-26 03:00
2026-03-28 05:21 		14381.5s
▶ (1831^151-1)/(1831-1) 490
t43.8/t85.0
3 5,632 None 2026-01-17 04:41
2026-03-28 05:12 		2682.5s
▶ (1427168974267^41-1)/(14271689... 487
t43.8/t85.0
3 5,632 None 2026-01-17 03:24
2026-03-28 04:49 		4592.4s
▶ (59221^103-1)/(59221-1) 487
t43.8/t85.0
3 5,632 None 2026-01-17 03:09
2026-03-28 04:26 		4589.6s
▶ (1289^157-1)/(1289-1) 486
t43.8/t85.0
3 5,632 None 2026-01-17 02:24
2026-03-28 04:03 		4590.1s
▶ (141030388245351823^17-1)/(141... 271
t31.1/t62.8
3 5,889 None 2026-02-17 09:55
2026-03-28 03:49 		4752.1s
▶ (2063^79-1)/(2063-1) 245
t56.4/t56.3
48 116,740 None 2025-12-28 05:01
2026-03-28 03:44 		64747.3s
▶ (1051^181-1)/(1051-1) 486
t43.8/t85.0
3 5,632 None 2026-01-17 01:39
2026-03-28 03:40 		3663.0s
▶ (283^199-1)/(283-1) 486
t43.8/t85.0
3 5,632 None 2026-01-17 01:54
2026-03-28 03:16 		2635.1s
▶ (5390821^73-1)/(5390821-1) 485
t43.8/t85.0
3 5,632 None 2026-01-17 01:06
2026-03-28 02:53 		4589.2s
▶ (3191^139-1)/(3191-1) 484
t43.8/t85.0
3 5,632 None 2026-01-17 00:22
2026-03-28 02:07 		2653.8s
▶ (183163239034348148461^13-1)/(... 142
t48.6/t43.7
16 37,841 1 factor 2025-10-26 04:34
2026-03-28 01:52 		2154.6s
▶ (1777^151-1)/(1777-1) 482
t43.8/t85.0
3 5,632 None 2026-01-16 23:05
2026-03-28 01:44 		2660.2s
▶ (12136761798792379222340975209... 247
t36.1/t64.3
2 7,936 1 factor 2026-02-17 20:45
2026-03-28 01:31 		13.4s
▶ (23^401-1)/(23-1) 482
t43.8/t85.0
3 5,632 None 2026-01-16 22:20
2026-03-28 01:21 		3523.2s
▶ (2593^151-1)/(2593-1) 482
t43.8/t85.0
3 5,632 None 2026-01-16 22:50
2026-03-28 00:59 		4421.7s
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