Recent ECM Curves

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Curves Aggregated by Composite

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Composite Digits T-Level Progress Batches Total Curves Factors Found First/Last Attempt Total Time
▶ (293^181-1)/(293-1) 425
t43.7/t85.0
7 11,648 None 2026-01-15 07:35
2026-06-06 00:54 		2900.2s
▶ (2729^127-1)/(2729-1) 421
t43.7/t85.0
7 11,648 None 2026-01-15 05:27
2026-06-06 00:27 		2767.7s
▶ (67^359-1)/(67-1) 654
t43.7/t85.0
7 11,648 None 2026-02-03 21:38
2026-06-06 00:07 		3159.7s
▶ (704761^113-1)/(704761-1) 655
t43.7/t85.0
7 11,648 None 2026-02-03 23:32
2026-06-06 00:01 		2831.4s
▶ aliquot:2484:i1672 170
t28.0/t52.3
1 2,688 3 factors 2026-06-05 23:45
2026-06-05 23:45 		0.0s
▶ aliquot:3789100:i1319 107
t28.0/t32.9
1 2,688 1 factor 2026-06-05 23:45
2026-06-05 23:45 		0.0s
▶ aliquot:3789100:i1318 107
t29.4/t32.9
3 5,407 2 factors 2026-06-05 23:35
2026-06-05 23:35 		3.2s
▶ aliquot:2484:i1671 130
t45.3/t40.0
17 40,222 2 factors 2026-06-05 20:52
2026-06-05 23:35 		177.2s
▶ aliquot:3789100:i1317 100
t32.8/t30.8
3 7,905 3 factors 2026-06-05 23:19
2026-06-05 23:20 		3.8s
▶ aliquot:4583796:i4116 102
t32.9/t31.4
3 8,064 2 factors 2026-06-05 23:11
2026-06-05 23:13 		46.9s
▶ aliquot:3972498:i3861 113
t36.2/t34.8
4 7,936 None 2026-06-05 22:55
2026-06-05 23:13 		24.2s
▶ aliquot:3789100:i1316 103
t32.1/t31.7
3 7,012 2 factors 2026-06-05 23:11
2026-06-05 23:12 		3.4s
▶ aliquot:4032960:i1659 90
t28.0/t27.7
1 2,688 1 factor 2026-06-05 23:11
2026-06-05 23:11 		0.0s
▶ (821^229-1)/(821-1) 653
t43.7/t85.0
7 11,648 None 2026-02-03 20:41
2026-06-05 23:01 		3451.2s
▶ aliquot:3789100:i1315 106
t23.7/t32.6
1 320 1 factor 2026-06-05 22:55
2026-06-05 22:55 		0.0s
▶ (331^193-1)/(331-1) 484
t51.2/t85.0
17 43,264 None 2026-01-17 00:37
2026-06-05 22:55 		16638.8s
▶ aliquot:4583796:i4115 100
t26.0/t30.8
1 960 2 factors 2026-06-05 22:54
2026-06-05 22:54 		0.0s
▶ aliquot:3965448:i986 100
t31.4/t30.8
3 3,840 1 factor 2026-06-05 22:52
2026-06-05 22:54 		18.2s
▶ aliquot:4032960:i1658 97
t23.7/t29.8
1 320 2 factors 2026-06-05 22:53
2026-06-05 22:53 		0.0s
▶ (3^1109-1)/(3-1) 529
t51.2/t85.0
21 48,768 None 2026-01-25 21:53
2026-06-05 22:49 		18572.8s
▶ aliquot:660:i1131 157
t48.5/t48.3
20 49,251 1 factor 2026-06-05 18:10
2026-06-05 22:09 		696.9s
▶ aliquot:3972498:i3859 85
t29.3/t26.2
2 5,376 2 factors 2026-06-05 22:02
2026-06-05 22:02 		0.0s
▶ aliquot:3789100:i1314 111
t28.0/t34.2
1 2,688 3 factors 2026-06-05 22:02
2026-06-05 22:02 		0.0s
▶ aliquot:4583796:i4114 92
t28.0/t28.3
1 2,688 3 factors 2026-06-05 22:02
2026-06-05 22:02 		0.0s
▶ aliquot:3965448:i985 99
t28.0/t30.5
1 2,688 1 factor 2026-06-05 22:01
2026-06-05 22:01 		0.0s
▶ aliquot:4032960:i1657 84
t28.0/t25.8
1 2,688 1 factor 2026-06-05 22:01
2026-06-05 22:01 		0.0s
▶ aliquot:3965448:i984 73
t36.2/t22.5
4 10,544 1 factor 2026-06-05 21:01
2026-06-05 21:37 		62.9s
▶ (2832010628261^53-1)/(28320106... 648
t43.7/t85.0
7 11,648 None 2026-02-03 13:34
2026-06-05 21:37 		3042.6s
▶ (1153^211-1)/(1153-1) 632
t43.7/t85.0
7 11,648 None 2026-02-02 23:51
2026-06-05 21:35 		2985.5s
▶ aliquot:4454190:i675 96
t32.9/t29.5
3 8,064 1 factor 2026-06-05 21:31
2026-06-05 21:34 		79.8s
▶ aliquot:4583796:i4113 71
t36.1/t21.8
4 10,346 1 factor 2026-06-05 20:51
2026-06-05 21:34 		58.1s
▶ aliquot:4698384:i841 109
t36.4/t33.5
4 10,752 None 2026-06-05 20:51
2026-06-05 21:33 		59.0s
▶ aliquot:3789100:i1313 101
t28.6/t31.1
2 2,789 1 factor 2026-06-05 21:32
2026-06-05 21:32 		3.9s
▶ aliquot:3847080:i3567 94
t29.3/t28.9
2 5,376 1 factor 2026-06-05 21:31
2026-06-05 21:32 		0.0s
▶ aliquot:3972498:i3856 90
t28.0/t27.7
1 2,688 1 factor 2026-06-05 21:31
2026-06-05 21:31 		0.0s
▶ aliquot:4032960:i1656 98
t28.0/t30.2
1 2,688 1 factor 2026-06-05 21:31
2026-06-05 21:31 		0.0s
▶ (65578052003101784962234617847... 3403
t40.2/t85.0
10 17,259 None 2026-02-27 12:56
2026-06-05 21:30 		7987.1s
▶ aliquot:4780020:i2534 100
t32.9/t30.8
3 8,064 1 factor 2026-06-05 21:02
2026-06-05 21:16 		58.3s
▶ aliquot:4308090:i3507 98
t32.7/t30.2
2 5,376 None 2026-06-05 21:02
2026-06-05 21:14 		60.3s
▶ aliquot:4893372:i5186 104
t32.7/t32.0
2 5,376 None 2026-06-05 21:01
2026-06-05 21:13 		61.5s
▶ aliquot:3789100:i1312 101
t32.5/t31.1
2 5,095 1 factor 2026-06-05 21:01
2026-06-05 21:12 		62.2s
▶ aliquot:3972498:i3855 69
t30.2/t21.2
3 5,680 2 factors 2026-06-05 20:52
2026-06-05 21:10 		5.0s
▶ (14116257872861650709866474075... 205
t57.3/t57.2
55 108,292 None 2025-10-26 20:39
2026-06-05 21:10 		39945.9s
▶ aliquot:4907520:i1518 96
t31.5/t29.5
4 5,120 2 factors 2026-06-05 20:19
2026-06-05 21:08 		24.7s
▶ aliquot:4214526:i1531 80
t29.3/t24.6
3 2,856 2 factors 2026-06-05 20:16
2026-06-05 21:08 		4.5s
▶ (2027^139-1)/(2027-1) 457
t43.6/t85.0
4 9,472 None 2026-01-16 00:29
2026-06-05 21:03 		1075.1s
▶ (3119^131-1)/(3119-1) 455
t43.6/t85.0
4 9,472 None 2026-01-16 00:17
2026-06-05 21:02 		3961.3s
▶ aliquot:4454190:i674 93
t28.0/t28.6
1 2,688 3 factors 2026-06-05 21:01
2026-06-05 21:01 		0.0s
▶ aliquot:3789100:i1311 82
t28.0/t25.2
1 2,688 3 factors 2026-06-05 20:52
2026-06-05 20:52 		0.0s
▶ aliquot:4454190:i673 91
t28.0/t28.0
1 2,688 1 factor 2026-06-05 20:52
2026-06-05 20:52 		0.0s
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