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
▶ (397^101-1)/(397-1) 240
t56.1/t56.0
36 99,332 None 2025-12-21 22:14
2026-03-16 08:39 		62148.7s
▶ (83156401152671221^17-1)/(8315... 234
t31.1/t62.2
3 5,889 None 2026-02-17 08:02
2026-03-16 07:54 		4349.1s
▶ (577937814931^23-1)/(577937814... 182
t30.1/t56.0
5 858 None 2025-11-07 00:32
2026-03-16 07:42 		1013.9s
▶ (282340073078551^17-1)/(282340... 182
t30.1/t56.0
5 858 None 2025-11-07 00:28
2026-03-16 07:30 		1012.0s
▶ (208717999239961^17-1)/(208717... 182
t30.1/t56.0
5 858 None 2025-11-07 00:30
2026-03-16 07:18 		1021.7s
▶ (29428862012373380045450701^13... 202
t30.4/t62.2
3 5,633 1 factor 2026-02-17 13:56
2026-03-16 06:42 		3715.4s
▶ (15067502903216810889756994207... 234
t31.1/t62.2
3 5,889 None 2026-02-17 08:02
2026-03-16 05:40 		4365.5s
▶ (80752672430160631^17-1)/(8075... 234
t31.1/t62.2
3 5,889 None 2026-02-17 08:02
2026-03-16 04:28 		4401.2s
▶ (82650389821454491^17-1)/(8265... 235
t31.1/t62.2
3 5,889 None 2026-02-17 08:02
2026-03-16 03:15 		3920.1s
▶ (13594069905622888602830502198... 217
t36.1/t66.8
1 2,560 1 factor 2026-03-16 02:13
2026-03-16 02:13 		0.0s
▶ (95665969128512281^17-1)/(9566... 236
t31.1/t62.2
3 5,889 None 2026-02-17 08:03
2026-03-16 02:09 		4347.5s
▶ (77124139328857^17-1)/(7712413... 201
t30.1/t56.0
5 885 None 2026-02-13 11:27
2026-03-16 01:42 		1442.2s
▶ (16926491689^23-1)/(1692649168... 201
t30.1/t56.0
5 885 None 2026-02-13 11:26
2026-03-16 01:23 		1523.9s
▶ (12925759306164896651287^13-1)... 201
t30.1/t56.0
5 885 None 2026-02-13 11:26
2026-03-16 01:03 		1415.8s
▶ (17198442921262041991444440399... 237
t31.1/t62.2
3 5,889 None 2026-02-17 08:03
2026-03-16 00:57 		3223.0s
▶ (34967518278087044941206049^11... 202
t30.1/t56.0
5 885 None 2026-02-13 11:28
2026-03-16 00:43 		1490.5s
▶ (67307053198471^17-1)/(6730705... 202
t30.1/t56.0
5 885 None 2026-02-13 11:28
2026-03-16 00:24 		1443.4s
▶ (77979273559574780108500755691... 202
t30.1/t56.0
5 885 None 2026-02-13 11:28
2026-03-16 00:04 		1585.8s
▶ (12802348129013161971646106611... 240
t31.1/t62.2
3 5,889 None 2026-02-17 08:04
2026-03-16 00:04 		4131.9s
▶ (15814194871^23-1)/(1581419487... 203
t30.1/t56.0
5 885 None 2026-02-13 11:29
2026-03-15 23:45 		1508.1s
▶ (56309347404841^17-1)/(5630934... 204
t30.1/t56.0
5 885 None 2026-02-13 11:29
2026-03-15 23:24 		1527.0s
▶ (74975488207663^17-1)/(7497548... 205
t30.1/t56.0
5 885 None 2026-02-13 11:30
2026-03-15 23:03 		1596.9s
▶ (61455233721187773905644694461... 360
t41.8/t76.3
2 5,120 None 2026-03-15 22:37
2026-03-15 22:58 		399.9s
▶ (11473674602359046647389330281... 241
t31.1/t62.2
3 5,889 None 2026-02-17 08:05
2026-03-15 22:55 		4124.7s
▶ (367951606381^17-1)/(367951606... 141
t44.0/t43.4
15 23,386 None 2025-11-18 05:28
2026-03-15 22:51 		486.0s
▶ (60973091978109890387121523668... 351
t41.8/t76.3
2 5,120 None 2026-03-15 14:31
2026-03-15 22:49 		399.9s
▶ (49847981811381928035586522634... 354
t41.8/t76.3
2 5,120 None 2026-03-15 14:56
2026-03-15 22:44 		50.7s
▶ (70153934896263040783370213059... 348
t41.8/t76.3
2 5,120 None 2026-03-15 14:07
2026-03-15 22:43 		50.6s
▶ (48322697582610453194488997580... 327
t41.8/t76.3
2 5,120 None 2026-03-14 23:56
2026-03-15 22:42 		365.0s
▶ (73577268315949881568387630076... 335
t41.8/t76.3
2 5,120 None 2026-03-15 13:42
2026-03-15 22:42 		48.1s
▶ (68917740951781^17-1)/(6891774... 205
t30.1/t56.0
5 885 None 2026-02-13 11:29
2026-03-15 22:42 		1465.0s
▶ (91924581331742769136382180147... 100
t40.9/t30.8
12 14,460 5 factors 2026-03-09 19:29
2026-03-15 22:42 		1581.2s
▶ (62319145533497265845497590640... 334
t41.8/t76.3
2 5,120 None 2026-03-15 13:18
2026-03-15 22:41 		48.1s
▶ (49387763069799134002566046091... 334
t41.8/t76.3
2 5,120 None 2026-03-15 12:54
2026-03-15 22:39 		48.1s
▶ (70382053708500212305068598636... 313
t41.8/t76.3
2 5,120 None 2026-03-15 02:14
2026-03-15 22:38 		44.1s
▶ (92672716484600920093295141422... 248
t41.8/t76.3
2 5,120 None 2026-03-15 01:50
2026-03-15 22:37 		31.9s
▶ (62064431428005799298539682896... 321
t41.8/t76.3
2 5,120 None 2026-03-14 23:33
2026-03-15 22:36 		44.4s
▶ (47607313951305315261625038406... 307
t41.8/t76.3
2 5,120 None 2026-03-14 15:44
2026-03-15 22:36 		325.7s
▶ (93043240879^19-1)/(9304324087... 141
t44.0/t43.4
15 23,386 None 2025-11-18 05:18
2026-03-15 22:36 		771.4s
▶ (55324507496124259916920345430... 314
t41.8/t76.3
2 5,120 None 2026-03-14 23:10
2026-03-15 22:35 		44.4s
▶ (62645057686859236459073333919... 309
t41.8/t76.3
2 5,120 None 2026-03-14 22:47
2026-03-15 22:34 		44.8s
▶ (28204923208948982473950095301... 248
t41.8/t76.3
2 5,120 None 2026-03-14 22:24
2026-03-15 22:34 		31.8s
▶ (295956571591^17-1)/(295956571... 142
t45.7/t43.7
10 16,218 None 2025-11-18 08:20
2026-03-15 22:33 		140.6s
▶ (70321327133669991982477250301... 282
t45.6/t76.3
2 5,120 None 2026-03-14 15:28
2026-03-15 22:33 		172.6s
▶ (56620729955545956526075063886... 264
t39.1/t76.3
2 3,318 1 factor 2026-03-14 15:20
2026-03-15 22:30 		13.3s
▶ (65811565646970936977039986066... 286
t41.8/t76.3
2 5,120 None 2026-03-14 15:02
2026-03-15 22:30 		37.5s
▶ (47826132322291139685009752696... 284
t41.8/t76.3
2 5,120 None 2026-03-14 14:44
2026-03-15 22:29 		37.2s
▶ (39075255764482544972332653325... 248
t41.8/t76.3
2 5,120 None 2026-03-14 14:27
2026-03-15 22:28 		31.8s
▶ (5099^127-1)/(5099-1) 468
t43.6/t85.0
8 15,360 None 2026-01-16 08:33
2026-03-15 22:25 		3538.0s
▶ (64395647335441^17-1)/(6439564... 205
t30.1/t56.0
5 885 None 2026-02-13 11:30
2026-03-15 22:23 		1386.7s
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