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Composite Details

ID: 23821 | 257 digits

84941313997869957693761243459388292994702126833951111414263989379194997399700573570329576042098066606597535454500535095269828662788926732655652864955095852410363243698976906279327889766660514231825744686981555704597630320658068146412132101972616985712762887

Composite Information

ID23821
Original Form(2557^79-1)/(2557-1)
Current Composite 8494131399786995769376124345938829299470212683395111141426398937919499739970057357032957604209806660...
Digit Length257
SNFS Possible Yes
GNFS Equivalent 186
Priority5
Created2025-12-10 22:25:23.473526
Last Updated2026-02-26 10:17:06.825608
Status Active

T-Level Progress

Current T-Levelt46.13
Target T-Levelt57.23
Progress
80.6%

Work Summary

Total Attempts4
Total ECM Curves13,824
P-1 Attempts1
Factors Found0

Factorization Attempts by Method

ECM 13,824 curves
P-1 1 attempts
P+1 0 attempts
ECM Statistics:
Total Attempts: 3
Total Curves: 13,824
Factors Found: 0
B1 Range: 11,000,000 - 11,000,000
B1 B2 Param Curves Factor Found Client Submitted
11,000,000 2,862,945,550 3 5,376 None kruoli-och 2026-02-26 10:17
11,000,000 Stage 1 only SUPERSEDED 3 5,376 None kruoli-3090Ti-1 2026-02-24 22:48
11,000,000 2,862,945,550 3 5,376 None kruoli-5950X 2026-02-23 20:57
11,000,000 Stage 1 only SUPERSEDED 3 5,376 None kruoli-3090Ti-1 2026-02-23 20:46
11,000,000 5,500,000,000 3 3,072 None KyleAskine-PC_V2 2026-01-05 14:00
11,000,000 Stage 1 only SUPERSEDED 3 3,072 None KyleAskine-PC_V2 2025-12-28 06:58
P-1 Statistics:
Total Attempts: 1
Total Curves: 1
Factors Found: 0
B1 Range: 850,000,000 - 850,000,000
B1 B2 Curves Factor Found Client Submitted
850,000,000 Default 1 None beepthebee-main-rig 2026-03-01 21:45
P+1 Statistics:
Total Attempts: 0
Total Curves: 0
Factors Found: 0

No P+1 attempts yet.