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Composite Details

ID: 1554 | 164 digits

12462594200427513547100912536435216435466106525607536190694884345702162449989560006762351763324618355831826535607318160709012576717564895887576644294600600989983557

Composite Information

ID1554
Original Form(31438124317422515585193211^11-1)/(31438124317422515585193211-1)
Current Composite 1246259420042751354710091253643521643546610652560753619069488434570216244998956000676235176332461835...
Digit Length164
SNFS Possible Yes
GNFS Equivalent 181
Priority3
Created2025-10-01 12:56:46.074692
Last Updated2026-03-05 22:15:25.140127
Status Active

T-Level Progress

Current T-Levelt48.83
Target T-Levelt50.46
Progress
96.8%

Work Summary

Total Attempts9
Total ECM Curves19,923
P-1 Attempts2
Factors Found1

Factors: 831905103505819125473884544398275630560863

Factor Group Order Data

Factor Method Group Order Factorization
831905103505819125473884544398275630560863 ECM (σ=1,477,304,494) 831905103505819125473916266522335086731688 2^3 * 3 * 7 * 43 * 151 * 8969 * 109169 * 1101883 * 1621049 * 8059199 * 54106849

Factorization Attempts by Method

ECM 19,923 curves
P-1 2 attempts
P+1 1 attempts
ECM Statistics:
Total Attempts: 6
Total Curves: 19,923
Factors Found: 1
B1 Range: 10,000,000 - 43,000,000
B1 B2 Param Curves Factor Found Client Submitted
43,000,000 35,165,553,160 3 3,072 None kruoli-5950X 2026-03-05 22:15
43,000,000 Stage 1 only SUPERSEDED 3 3,072 None KyleAskine-PC_V2 2026-03-05 21:32
43,000,000 35,165,553,160 3 3,072 None kruoli-5950X 2026-03-05 20:50
11,000,000 2,862,945,550 3 3,072 None kruoli-5950X 2026-03-05 16:01
11,000,000 Stage 1 only SUPERSEDED 3 3,072 None KyleAskine-PC_V2 2026-03-05 15:08
11,000,000 2,862,945,550 3 5,376 None kruoli-aws-1 2026-02-23 19:04
11,000,000 Stage 1 only SUPERSEDED 3 5,376 None kruoli-3090Ti-1 2026-02-23 13:15
10,000,000 5,000,000,000 3 2,259 831905103505819125473884544398275630560863 KyleAskine-PC_V2 2026-02-13 21:36
10,000,000 Stage 1 only SUPERSEDED 3 2,688 None kruoli-3090Ti-1 2026-02-13 21:16
11,000,000 Stage 1 only 3 3,072 None KyleAskine-PC_V2 2025-10-26 14:45
P-1 Statistics:
Total Attempts: 2
Total Curves: 2
Factors Found: 0
B1 Range: 260,000,000 - 2,900,000,000
B1 B2 Curves Factor Found Client Submitted
260,000,000 Default 1 None KyleAskine-PC_V2 2026-02-15 12:29
2,900,000,000 1,000,000,000,000,000 1 None KyleAskine-PC_V2 2025-11-18 06:28
P+1 Statistics:
Total Attempts: 1
Total Curves: 3
Factors Found: 0
B1 Range: 260,000,000 - 260,000,000
B1 B2 Curves Factor Found Client Submitted
260,000,000 Default 3 None KyleAskine-PC_V2 2026-02-15 12:29