ECM Distributed Factorization Dashboard

ECM Testing Status P-1/P+1 Status All Curves All Factors Leaderboard Residue Status
Project:
Priority:
All 1 2 3 4 5 6 7 8 9 10
Currently showing: Priority 8 composites
13
Total Composites
126
Total Attempts
49034
Factors Found
0
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
▶ (8011^79-1)/(8011-1) 305
t54.3/t64.9
14 44,548 None 2025-12-30 16:49
2026-06-26 23:00 		55708.8s
▶ (48037081^41-1)/(48037081-1) 308
t52.3/t68.3
11 27,649 None 2025-12-30 23:57
2026-06-25 07:53 		35993.3s
▶ (61^233-1)/(61-1) 415
t59.6/t82.8
32 127,497 None 2026-01-04 18:05
2026-06-09 18:52 		79207.6s
▶ (3^991-1)/(3-1) 473
t51.5/t85.0
19 48,640 None 2026-01-16 15:42
2026-06-07 11:05 		10591.4s
▶ (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
▶ (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
▶ (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
▶ (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
▶ (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
▶ (61^313-1)/(61-1) 558
t50.5/t85.0
21 48,768 None 2026-01-27 03:38
2026-06-05 17:51 		5998.6s
▶ (5^521-1)/(5-1) 364
t65.0/t76.3
2 6,144 None 2026-01-01 01:46
2026-01-01 02:33 		1925.9s
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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