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
▶ (83250354409359610382688421^11... 222
t45.3/t56.6
17 34,165 None 2026-02-13 13:57
2026-07-13 23:56 		4766.7s
▶ (4408320270589390433141^13-1)/... 218
t49.9/t54.8
25 58,613 None 2026-02-10 09:02
2026-07-13 23:55 		9119.5s
▶ (3999088279399464409^17-1)/(39... 236
t44.3/t65.8
9 40,960 None 2026-02-18 00:06
2026-07-13 23:52 		276.9s
▶ (44371^67-1)/(44371-1) 229
t44.3/t65.8
9 40,960 None 2026-02-18 00:03
2026-07-13 23:51 		126.0s
▶ aliquot:2484:i1688 150
t48.6/t46.2
13 68,812 2 factors 2026-07-13 21:31
2026-07-13 23:51 		2261.9s
▶ (248875867^29-1)/(248875867-1) 216
t47.5/t56.6
17 37,749 None 2026-02-13 13:51
2026-07-13 23:50 		4463.2s
▶ (10949399070713657360230388358... 226
t44.3/t65.8
9 40,960 None 2026-02-18 00:02
2026-07-13 23:47 		256.1s
▶ (13750621423269977545797375664... 214
t44.3/t65.8
9 40,960 None 2026-02-17 23:55
2026-07-13 23:46 		152.5s
▶ (64506821680385229664137049^11... 207
t45.2/t56.6
17 32,373 None 2026-02-13 13:46
2026-07-13 23:45 		5110.2s
▶ (3683456379316422430481^13-1)/... 256
t49.7/t54.8
23 53,365 None 2026-02-10 10:07
2026-07-13 23:44 		18489.3s
▶ (17623947768422027209463057779... 214
t44.3/t65.8
9 40,960 None 2026-02-17 23:54
2026-07-13 23:41 		122.7s
▶ (59295829467419882522135663347... 214
t44.3/t65.8
9 40,960 None 2026-02-17 23:55
2026-07-13 23:40 		124.7s
▶ (3747607031112307667^17-1)/(37... 293
t44.3/t65.5
9 40,960 None 2026-02-17 23:49
2026-07-13 23:39 		898.5s
▶ (127^149-1)/(127-1) 281
t44.3/t65.5
9 40,960 None 2026-02-17 23:44
2026-07-13 23:37 		151.2s
▶ (11242578713^29-1)/(1124257871... 280
t44.3/t65.5
9 40,960 None 2026-02-17 23:43
2026-07-13 23:33 		530.5s
▶ (307^127-1)/(307-1) 271
t44.3/t65.5
9 40,960 None 2026-02-17 23:40
2026-07-13 23:31 		157.0s
▶ (13005241719297839159406513466... 267
t44.3/t65.5
9 40,960 None 2026-02-17 23:36
2026-07-13 23:30 		143.0s
▶ (305175781^31-1)/(305175781-1) 197
t47.5/t56.6
15 37,380 None 2025-11-25 02:16
2026-07-13 23:28 		3794.1s
▶ (31985403534189641996091963295... 265
t44.3/t65.5
9 40,960 None 2026-02-17 23:35
2026-07-13 23:27 		804.4s
▶ (3081128010533825683^17-1)/(30... 267
t44.3/t65.5
9 40,960 None 2026-02-17 23:37
2026-07-13 23:26 		771.8s
▶ (45319^67-1)/(45319-1) 265
t44.3/t65.5
9 40,960 None 2026-02-17 23:35
2026-07-13 23:17 		646.1s
▶ (131500009^37-1)/(131500009-1) 183
t47.4/t56.3
17 38,773 None 2026-02-13 12:26
2026-07-13 23:11 		4293.2s
▶ (571^113-1)/(571-1) 263
t44.3/t65.5
9 40,960 None 2026-02-17 23:34
2026-07-13 23:09 		143.6s
▶ (9370586851^29-1)/(9370586851-... 248
t44.3/t65.5
9 40,960 None 2026-02-17 23:28
2026-07-13 23:07 		601.7s
▶ (2959025653654433029^17-1)/(29... 257
t44.3/t65.5
9 40,960 None 2026-02-17 23:32
2026-07-13 23:07 		141.7s
▶ (10177286401^29-1)/(1017728640... 256
t44.3/t65.5
9 40,960 None 2026-02-17 23:31
2026-07-13 23:04 		146.2s
▶ (1155775441150339^19-1)/(11557... 248
t44.3/t65.5
9 40,960 None 2026-02-17 23:28
2026-07-13 23:02 		283.8s
▶ (2289401^47-1)/(2289401-1) 183
t47.4/t56.3
17 36,981 None 2026-02-13 12:13
2026-07-13 23:01 		3293.7s
▶ (95904435223311092065958554708... 183
t44.6/t56.3
17 30,069 None 2026-02-13 12:13
2026-07-13 22:59 		3386.4s
▶ (232619462237557^17-1)/(232619... 183
t44.6/t56.3
17 28,277 None 2026-02-13 12:13
2026-07-13 22:58 		3937.2s
▶ aliquot:4320156:i1751 127
t40.4/t39.1
6 12,704 None 2026-07-13 22:40
2026-07-13 22:56 		535.5s
▶ (3124914562747294549^17-1)/(31... 243
t44.3/t65.5
9 40,960 None 2026-02-17 23:26
2026-07-13 22:54 		444.2s
▶ (1394813567261^23-1)/(13948135... 240
t44.3/t65.5
9 40,960 None 2026-02-17 23:25
2026-07-13 22:53 		280.0s
▶ (23566355427728414437128681735... 235
t45.1/t56.3
17 30,837 None 2026-02-13 13:05
2026-07-13 22:51 		4697.3s
▶ (28139916843675431872408729^13... 290
t44.3/t64.0
9 38,145 None 2026-02-17 14:27
2026-07-13 22:51 		15515.0s
▶ (2387363771591^23-1)/(23873637... 229
t44.3/t65.5
9 40,960 None 2026-02-17 23:21
2026-07-13 22:51 		642.8s
▶ (21541894353731400108416088857... 262
t47.4/t56.3
17 36,981 None 2026-02-13 13:26
2026-07-13 22:49 		5529.4s
▶ (2615418118891695851^17-1)/(26... 281
t44.3/t65.2
9 40,960 None 2026-02-17 23:00
2026-07-13 22:49 		691.0s
▶ (114769^61-1)/(114769-1) 221
t44.3/t65.5
9 40,960 None 2026-02-17 23:19
2026-07-13 22:44 		253.3s
▶ (3133157107^31-1)/(3133157107-... 283
t44.3/t65.2
9 40,960 None 2026-02-17 23:01
2026-07-13 22:43 		523.9s
▶ (16114227250022620857587^13-1)... 250
t47.4/t56.3
17 37,749 None 2026-02-13 13:16
2026-07-13 22:42 		10804.3s
▶ aliquot:4320156:i1750 128
t16.5/t39.4
1 16 1 factor 2026-07-13 22:40
2026-07-13 22:40 		0.6s
▶ aliquot:4320156:i1749 68
t30.7/t20.9
5 10,904 3 factors 2026-07-13 18:15
2026-07-13 22:39 		1.3s
▶ (102638746262804858777501321^1... 280
t44.3/t65.2
9 40,960 None 2026-02-17 22:59
2026-07-13 22:39 		156.5s
▶ (31385856854104410870530132851... 225
t46.7/t56.3
17 36,981 None 2026-02-13 12:57
2026-07-13 22:37 		4646.8s
▶ (127473943^37-1)/(127473943-1) 278
t44.3/t65.2
9 40,960 None 2026-02-17 22:57
2026-07-13 22:35 		156.6s
▶ (414313^53-1)/(414313-1) 276
t44.3/t65.2
9 40,960 None 2026-02-17 22:56
2026-07-13 22:34 		155.4s
▶ (97^157-1)/(97-1) 270
t44.3/t65.2
9 40,960 None 2026-02-17 22:52
2026-07-13 22:34 		647.8s
▶ (90577665867138462750636386131... 276
t44.3/t65.2
9 40,960 None 2026-02-17 22:55
2026-07-13 22:30 		156.4s
▶ aliquot:4916268:i1741 120
t37.1/t36.9
5 2,435 None 2026-07-13 22:10
2026-07-13 22:28 		1044.7s
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