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
▶ (103^173-1)/(103-1) 347
t51.5/t73.2
20 51,840 None 2025-12-31 21:05
2026-06-06 10:47 		12269.8s
▶ (7^907-1)/(7-1) 766
t43.7/t85.0
19 24,599 None 2026-02-10 12:01
2026-06-06 10:20 		13402.6s
▶ (12561659419351310385521130937... 189
t46.6/t46.2
26 34,697 None 2025-11-19 04:12
2026-06-06 10:20 		9147.9s
▶ (3^1571-1)/(3-1) 750
t43.7/t85.0
21 26,258 None 2026-02-10 11:39
2026-06-06 10:16 		16156.1s
▶ (31464506103400418987355169^13... 275
t31.1/t64.0
3 5,889 None 2026-02-17 14:18
2026-06-06 10:08 		4852.4s
▶ (45803808469261578723524157611... 3030
t40.3/t85.0
10 17,515 None 2026-02-27 12:55
2026-06-06 09:44 		5032.9s
▶ (313^211-1)/(313-1) 525
t43.8/t85.0
9 14,336 None 2026-01-18 15:24
2026-06-06 09:07 		4396.7s
▶ (1193^139-1)/(1193-1) 425
t43.9/t85.0
9 14,336 None 2026-01-15 07:23
2026-06-06 09:04 		7096.6s
▶ (151^241-1)/(151-1) 523
t43.8/t85.0
9 14,336 None 2026-01-18 12:56
2026-06-06 09:02 		4135.3s
▶ (33828254237376076525874137^13... 262
t31.1/t64.0
3 5,889 None 2026-02-17 14:12
2026-06-06 08:48 		4444.8s
▶ (13004045550202214485007135212... 458
t43.8/t85.0
9 14,336 None 2026-01-16 01:26
2026-06-06 08:39 		3699.6s
▶ (839^151-1)/(839-1) 439
t43.8/t85.0
9 14,336 None 2026-01-15 18:27
2026-06-06 08:32 		3601.5s
▶ (1901^131-1)/(1901-1) 427
t43.8/t85.0
9 14,336 None 2026-01-15 09:08
2026-06-06 08:15 		3359.1s
▶ (398581^103-1)/(398581-1) 572
t51.5/t85.0
23 54,144 None 2026-01-27 19:03
2026-06-06 08:09 		113931.6s
▶ (127^257-1)/(127-1) 539
t51.5/t85.0
19 48,696 None 2026-01-26 06:24
2026-06-06 08:03 		34808.5s
▶ (127^409-1)/(127-1) 859
t43.7/t85.0
20 26,216 None 2026-02-10 13:14
2026-06-06 07:41 		13748.3s
▶ (69646055257276436381320071247... 257
t31.1/t64.0
3 5,889 None 2026-02-17 14:08
2026-06-06 07:34 		4444.9s
▶ (698419^73-1)/(698419-1) 421
t43.8/t85.0
9 14,336 None 2026-01-15 05:04
2026-06-06 07:33 		3123.5s
▶ (68641960152082210920075261842... 466
t40.3/t85.0
9 11,868 None 2025-11-01 04:07
2026-06-06 07:07 		7859.7s
▶ (20911113616804317302731216953... 389
t43.8/t85.0
9 14,336 None 2026-01-09 04:41
2026-06-06 07:06 		2090.3s
▶ (41847675977253627439336899706... 1339
t40.3/t85.0
7 11,899 None 2026-02-11 10:45
2026-06-06 07:03 		2688.1s
▶ (5229043^113-1)/(5229043-1) 753
t43.7/t85.0
19 24,599 None 2026-02-10 11:43
2026-06-06 06:41 		18245.7s
▶ (13^389-1)/(13-1) 426
t43.9/t85.0
9 14,336 None 2026-01-15 08:33
2026-06-06 06:32 		7212.9s
▶ (32303563085759968521365334382... 560
t40.3/t85.0
5 12,723 1 factor 2025-11-06 22:13
2026-06-06 06:22 		1166.8s
▶ (91930034715318279517125510927... 253
t31.1/t64.0
3 5,889 None 2026-02-17 14:07
2026-06-06 06:20 		4343.9s
▶ (31017372014626784068199866627... 2181
t40.2/t85.0
10 17,259 None 2026-02-27 12:53
2026-06-06 06:17 		7439.7s
▶ (7^1093-1)/(7-1) 923
t43.7/t85.0
20 26,216 None 2026-02-10 13:58
2026-06-06 06:13 		15290.2s
▶ (1483^197-1)/(1483-1) 610
t43.9/t85.0
5 9,027 None 2026-02-01 06:26
2026-06-06 05:25 		13257.9s
▶ (35250190534010309483387921^13... 251
t31.1/t64.0
3 5,889 None 2026-02-17 14:06
2026-06-06 05:08 		4257.2s
▶ (1009733093591746955971^11-1)/... 189
t46.2/t46.2
20 29,833 None 2025-11-19 04:10
2026-06-06 05:05 		3088.7s
▶ (19153155932842800174323504544... 2137
t40.2/t85.0
10 17,259 None 2026-02-27 12:52
2026-06-06 05:03 		8382.2s
▶ (7^1069-1)/(7-1) 903
t43.7/t85.0
20 26,216 None 2026-02-10 13:42
2026-06-06 05:01 		10507.5s
▶ (127^401-1)/(127-1) 842
t43.7/t85.0
20 26,216 None 2026-02-10 12:57
2026-06-06 04:29 		20172.6s
▶ (281420912955937^17-1)/(281420... 197
t57.3/t57.2
57 113,668 None 2025-10-26 21:42
2026-06-06 04:25 		41936.2s
▶ (42986236679717388304420914727... 245
t31.1/t64.0
3 5,889 None 2026-02-17 14:03
2026-06-06 03:57 		4114.5s
▶ aliquot:3789100:i1321 106
t32.9/t32.6
3 8,064 1 factor 2026-06-06 03:49
2026-06-06 03:51 		47.6s
▶ (29206903029342089336539354390... 1323
t40.2/t85.0
7 11,112 1 factor 2026-02-11 11:18
2026-06-06 03:35 		1760.5s
▶ (12821^67-1)/(12821-1) 260
t59.4/t59.4
43 187,393 None 2025-12-28 10:08
2026-06-06 03:33 		86429.9s
▶ (31^521-1)/(31-1) 749
t43.7/t85.0
15 19,496 None 2026-02-10 11:38
2026-06-06 03:07 		12404.1s
▶ (3^971-1)/(3-1) 463
t51.5/t85.0
30 59,648 None 2026-01-16 03:38
2026-06-06 03:05 		53362.0s
▶ (26041^113-1)/(26041-1) 495
t43.8/t85.0
8 12,992 None 2026-01-17 06:11
2026-06-06 03:00 		8905.6s
▶ (5^971-1)/(5-1) 651
t43.7/t85.0
7 11,648 None 2026-02-03 17:21
2026-06-06 02:51 		3768.1s
▶ (38266866626181380202230567676... 237
t31.1/t64.0
3 5,889 None 2026-02-17 13:58
2026-06-06 02:49 		4008.7s
▶ (15577316196125577305380827883... 1473
t40.2/t85.0
7 15,872 None 2026-02-13 16:42
2026-06-06 02:43 		3164.3s
▶ (13569682970838492868013564299... 190
t46.6/t46.2
22 31,625 None 2025-11-19 04:14
2026-06-06 02:39 		2313.5s
▶ (20286498444892870064555935513... 1884
t40.2/t85.0
10 17,193 None 2026-02-27 12:50
2026-06-06 02:21 		3518.5s
▶ (1381^149-1)/(1381-1) 465
t43.7/t85.0
7 11,648 None 2026-01-16 04:37
2026-06-06 01:28 		3521.8s
▶ aliquot:3789100:i1320 81
t36.0/t24.9
5 8,865 2 factors 2026-06-06 00:11
2026-06-06 01:09 		7.4s
▶ (787^227-1)/(787-1) 655
t43.7/t85.0
7 11,648 None 2026-02-03 23:04
2026-06-06 01:09 		2870.1s
▶ (397^257-1)/(397-1) 652
t43.8/t85.0
7 11,648 None 2026-02-03 18:18
2026-06-06 01:00 		10912.1s
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