ECM Distributed Factorization Dashboard

ECM Testing Status P-1/P+1 Status All Curves All Factors Leaderboard Residue Status
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Priority:
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Currently showing: Priority 5 composites
711
Total Composites
3305
Total Attempts
49034
Factors Found
22
Fully Factored
Recent Factorization Attempts (Aggregated by Composite) View All Curves →

Click any row to expand and see individual curve batches

Composite Digits T-Level Progress Batches Total Curves Factors Found First/Last Attempt Total Time
▶ (292561^53-1)/(292561-1) 274
t48.9/t63.7
8 32,393 None 2026-02-17 12:14
2026-07-02 18:23 		4798.1s
▶ (467^103-1)/(467-1) 252
t57.3/t57.8
57 144,129 None 2026-02-16 22:19
2026-07-02 00:19 		105782.9s
▶ (2289401^41-1)/(2289401-1) 179
t53.9/t55.1
38 93,278 1 factor 2026-02-16 22:51
2026-07-01 23:38 		75840.7s
▶ (11807^67-1)/(11807-1) 191
t54.7/t58.5
19 47,951 None 2026-02-16 23:33
2026-07-01 22:59 		24360.3s
▶ (680310719936857^17-1)/(680310... 229
t55.0/t57.8
47 111,873 None 2026-02-16 22:06
2026-07-01 21:33 		69945.3s
▶ (109912203092239643840221^13-1... 252
t58.0/t58.2
48 124,929 None 2025-10-27 00:01
2026-07-01 21:30 		128036.9s
▶ (3169^79-1)/(3169-1) 220
t52.3/t58.5
29 75,521 None 2026-02-16 23:26
2026-07-01 21:16 		62927.3s
▶ (1803647^43-1)/(1803647-1) 195
t56.5/t59.1
8 24,337 None 2025-12-13 01:17
2026-07-01 17:50 		27090.4s
▶ (13367^67-1)/(13367-1) 273
t54.1/t59.7
19 72,449 None 2025-12-28 10:52
2026-07-01 16:25 		38185.3s
▶ (619^101-1)/(619-1) 269
t51.6/t59.7
17 48,385 None 2025-12-28 09:32
2026-07-01 13:39 		29923.0s
▶ (19^223-1)/(19-1) 259
t51.7/t59.7
29 77,569 None 2026-02-17 02:24
2026-07-01 12:52 		66975.6s
▶ (596514349^29-1)/(596514349-1) 233
t52.1/t58.8
29 80,129 None 2026-02-17 00:16
2026-07-01 11:53 		64399.6s
▶ (3348577^41-1)/(3348577-1) 201
t57.3/t58.5
12 31,505 None 2025-12-21 04:44
2026-07-01 10:41 		31959.4s
▶ (1579264051^29-1)/(1579264051-... 218
t51.7/t59.7
27 72,449 None 2026-02-17 02:05
2026-07-01 09:39 		57511.9s
▶ (1331399425301563^17-1)/(13313... 210
t51.6/t58.5
27 67,329 None 2026-02-16 23:22
2026-07-01 08:53 		54626.0s
▶ (5425689751096243^17-1)/(54256... 252
t53.1/t59.7
19 60,161 None 2025-12-28 05:52
2026-07-01 04:41 		30697.7s
▶ (401^107-1)/(401-1) 263
t52.4/t59.7
19 53,761 None 2025-12-28 09:25
2026-07-01 03:57 		32674.6s
▶ (44371^59-1)/(44371-1) 233
t51.6/t59.4
16 41,729 None 2025-12-28 08:48
2026-07-01 03:01 		35639.3s
▶ (2249049650927341^17-1)/(22490... 216
t51.7/t58.8
14 38,913 None 2025-10-27 02:06
2026-06-30 22:28 		25791.7s
▶ (829007553280001^17-1)/(829007... 191
t51.8/t58.2
29 74,753 None 2026-02-16 22:34
2026-06-30 21:23 		38653.2s
▶ (527135461^29-1)/(527135461-1) 214
t51.9/t58.5
27 72,961 None 2026-02-16 23:24
2026-06-30 20:42 		53633.5s
▶ (293459^53-1)/(293459-1) 194
t49.0/t59.7
4 8,971 None 2025-12-21 04:46
2026-06-30 19:58 		10073.1s
▶ (105293313660391861035901^13-1... 219
t51.9/t58.2
27 75,044 1 factor 2026-02-16 23:04
2026-06-30 19:32 		66005.6s
▶ (1001523179^31-1)/(1001523179-... 234
t61.3/t62.2
5 36,971 None 2025-12-17 16:30
2026-06-30 17:53 		1080.5s
▶ (5229043^41-1)/(5229043-1) 244
t60.8/t60.6
5 25,001 None 2025-12-13 01:16
2026-06-30 17:50 		1179.9s
▶ (44371^61-1)/(44371-1) 253
t51.3/t60.3
13 47,617 None 2025-12-28 12:05
2026-06-30 14:52 		33585.7s
▶ (16693^67-1)/(16693-1) 228
t50.9/t60.0
13 46,492 1 factor 2025-12-30 00:08
2026-06-30 13:22 		20458.8s
▶ (16189^67-1)/(16189-1) 278
t51.3/t60.0
13 47,617 None 2025-12-28 14:09
2026-06-30 11:34 		17151.2s
▶ (13613^67-1)/(13613-1) 273
t51.2/t60.0
15 46,593 None 2025-12-28 11:43
2026-06-29 11:39 		33038.9s
▶ (16087^67-1)/(16087-1) 278
t51.2/t60.0
15 46,593 None 2025-12-28 14:02
2026-06-29 10:08 		29629.6s
▶ (14797^67-1)/(14797-1) 276
t57.5/t59.7
36 143,866 None 2025-12-28 13:03
2026-06-28 06:24 		92992.2s
▶ (15045355330708321^17-1)/(1504... 259
t49.5/t60.6
11 41,985 None 2025-12-11 11:48
2026-06-27 17:14 		28290.8s
▶ (45319^61-1)/(45319-1) 239
t44.2/t60.0
11 36,609 None 2026-02-17 03:02
2026-06-27 15:36 		5379.4s
▶ (613^101-1)/(613-1) 272
t45.0/t60.0
13 41,217 None 2026-02-17 03:16
2026-06-27 14:55 		8864.4s
▶ (3409261^41-1)/(3409261-1) 238
t45.1/t60.0
13 41,217 None 2026-02-17 03:01
2026-06-27 14:08 		8029.5s
▶ (467^107-1)/(467-1) 272
t43.0/t60.3
9 32,001 None 2026-02-17 04:02
2026-06-27 13:27 		4121.0s
▶ (548557^47-1)/(548557-1) 245
t44.0/t60.0
11 30,465 None 2026-02-17 03:06
2026-06-27 12:40 		9133.5s
▶ (59376284620771^19-1)/(5937628... 224
t45.1/t60.0
13 41,217 None 2026-02-17 02:54
2026-06-27 11:58 		7610.2s
▶ (797161^47-1)/(797161-1) 211
t46.9/t60.0
15 47,361 None 2026-02-17 02:51
2026-06-27 11:19 		13505.6s
▶ (9829013061922471^17-1)/(98290... 256
t50.4/t60.3
11 43,009 None 2025-12-28 06:21
2026-06-27 09:46 		12871.4s
▶ (15527^67-1)/(15527-1) 277
t50.4/t60.3
11 43,009 None 2025-12-28 13:55
2026-06-27 09:09 		18818.8s
▶ (1274564409623^23-1)/(12745644... 263
t63.6/t64.9
5 52,000 None 2025-12-13 01:19
2026-06-27 02:37 		0.0s
▶ (2141993519227^23-1)/(21419935... 226
t53.4/t66.2
6 23,824 None 2025-10-28 03:19
2026-06-26 04:35 		587.5s
▶ (1890771811^29-1)/(1890771811-... 235
t61.6/t61.5
7 30,001 None 2025-12-13 01:14
2026-06-26 04:33 		1098.2s
▶ (10654978292191^19-1)/(1065497... 207
t57.3/t57.2
61 140,917 None 2026-02-13 16:07
2026-06-23 12:21 		57960.3s
▶ (21495706524521039150796281100... 283
t54.0/t64.6
6 13,825 None 2025-10-09 18:39
2026-06-19 17:26 		97801.7s
▶ (25388784221512665944896130651... 250
t52.4/t64.6
11 21,956 1 factor 2025-10-09 18:26
2026-06-19 16:42 		59170.9s
▶ (4099^73-1)/(4099-1) 234
t57.2/t56.9
50 95,564 None 2025-12-21 04:41
2026-06-19 05:31 		49001.8s
▶ (8824793797^29-1)/(8824793797-... 233
t40.8/t64.9
7 32,000 None 2026-02-17 21:46
2026-06-18 05:15 		917.8s
▶ (11807^71-1)/(11807-1) 282
t40.8/t62.5
7 27,393 None 2026-02-17 09:13
2026-06-18 04:42 		1973.8s
Recent Factors Found View All 49034 Factors →
Factor Bits Digits Composite Discovery Method Sigma Group Order Discovered
122700234136674066964883145564368506441591 137 42 (244759539888981375764355022558902211^7-... ecm 3:2448860112 122700234136674066964878783674... 2026-07-02 23:24
52371190365733421676795481224981931850444331737 156 47 (130722441824511224882556086852582311197... ecm 3:2845569944 523711903657334216767952268582... 2026-07-02 21:54
12909529798067212163540017970644262167777237322407 164 50 (167714639670986359150773046239412927192... ecm 3:1485211613 129095297980672121635400222341... 2026-07-02 21:53
84888588622069520967318776173347973184445569 146 44 (79100676007^17-1)/(79100676007-1) ecm 3:4159301439 848885886220695209673207052648... 2026-07-02 21:31
250272459577048878682280945328186008246392163119 158 48 (41140935016426264695192993766801057^7-1... ecm 3:1102139463 250272459577048878682280907097... 2026-07-02 21:18
41665743981316730738067368534657414243 125 38 (61071905972451635353^13-1)/(61071905972... ecm 3:4233865084 416657439813167307457937427332... 2026-07-02 21:04
41070506202496220526761588515444883 115 35 (291451915637806914351580332515017861669... ecm 3:868011236 410705062024962202319628365079... 2026-07-02 21:03
814432594346528660962485890323831073 120 36 (61790205703459412929^13-1)/(61790205703... ecm 3:4026337858 814432594346528661223821164104... 2026-07-02 21:01
24870100484687105599597757269912431211 125 38 (108894754329887419111^13-1)/(1088947543... ecm 3:3638149638 248701004846871056014722884772... 2026-07-02 20:54
36055556114590265250156858920889331 115 35 (133069576958003014639^13-1)/(1330695769... ecm 3:3757393877 360555561145902650551063211818... 2026-07-02 20:54
10271872488652067277407177223626831121001 133 41 (164452065786164683972692046201129540485... ecm 3:1531719712 102718724886520672772940101126... 2026-07-02 20:46
1222846227450460212095812641567968149783 130 40 (1484582147959^17-1)/(1484582147959-1) ecm 3:1446520193 122284622745046021208839023566... 2026-07-02 20:39
645363923675477661607 70 21 aliquot:3560216:i4879 ecm 3:191743277 645363923680937987380 2026-07-02 20:37
157992342097579079 58 18 aliquot:3560216:i4879 ecm 3:191743164 157992341866073208 2026-07-02 20:37
2246003783 32 10 aliquot:3560216:i4879 ecm 3:191743143 2245994944 2026-07-02 20:37
16853591717376669231856602016480091569 124 38 (48122675118565564399^13-1)/(48122675118... ecm 3:2374774935 168535917173766692385716096784... 2026-07-02 20:35
106421017384617165454239775318458231105653968736268776156899 197 60 (631857077221846478262483905891791372194... ecm 3:3049191752 106421017384617165454239775318... 2026-07-02 20:35
47689402412252341103890219506250061 116 35 (81409487631579553399^13-1)/(81409487631... ecm 3:708686094 476894024122523409742113024587... 2026-07-02 20:27
41088344067565216847596980623975826661099805807 155 47 (442442053537176812144054242474320885438... ecm 3:4190180914 410883440675652168475971138601... 2026-07-02 20:26
237899133851400891057397710568424417180824861 148 45 (63245911295206927981^13-1)/(63245911295... ecm 3:3399567131 237899133851400891057382780795... 2026-07-02 20:03
5060312006808951811526980670678117 112 34 (278826219429950325464473^11-1)/(2788262... ecm 3:1753095672 506031200680895188350514965858... 2026-07-02 20:02
400343556315135072019208419987591853813 129 39 (188044909417^19-1)/(188044909417-1) ecm 3:1037524378 400343556315135072003917550496... 2026-07-02 19:47
1150193789231127123960586756873707934479629 140 43 (595241451905354153841217850704194277699... ecm 3:1361921460 115019378923112712395963750840... 2026-07-02 19:32
33922666500043818408608717182964980417 125 38 (76740895174960110670292324025710767081^... ecm 3:639704325 339226665000438183985482588653... 2026-07-02 18:54
596772772480065620882925863053557796686911 139 42 (600128924433721437866767282200319753232... ecm 3:1045203108 596772772480065620882250893301... 2026-07-02 18:41

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