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Composite Details

ID: 661 | 356 digits

29574626614693637204329264200860175591569202569944669993155763980964982394109552877194847894961220328471678412671845806633568374241844893072062839731658789798168257236306940010555681093035346695926627958061432955377697646145527483921081232627360588238106452053536637191176291609255142435354581285703509825256006442368072821536634719867643904173819973154543

Composite Information

ID661
Original Form(436594901383271936256862041928903^13-1)/(436594901383271936256862041928903-1)
Current Composite 2957462661469363720432926420086017559156920256994466999315576398096498239410955287719484789496122032...
Digit Length356
SNFS Possible Yes
GNFS Equivalent 266
Priority3
Created2025-10-01 12:54:48.742129
Last Updated2026-01-12 18:44:57.581532
Status Active

T-Level Progress

Current T-Levelt36.54
Target T-Levelt81.85
Progress
44.6%

Work Summary

Total Attempts1
Total ECM Curves3,072
P-1 Attempts0
Factors Found1

Factors: 1621902135123647355565682326579739327

Factors with Elliptic Curve Group Order Data

Factor Sigma Group Order Group Order Factorization
1621902135123647355565682326579739327 330,713,561 1621902135123647356884264768501080112 2^4 * 3 * 821 * 5527 * 49801 * 119699 * 156797 * 2679673 * 2973053

Factorization Attempts by Method

ECM 3,072 curves
P-1 0 attempts
P+1 0 attempts
ECM Statistics:
Total Attempts: 1
Total Curves: 3,072
Factors Found: 1
B1 Range: 11,000,000 - 11,000,000
B1 B2 Param Curves Factor Found Client Submitted
11,000,000 Stage 1 only 3 3,072 1621902135123647355565682326579739327 KyleAskine-PC_V2 2025-10-30 05:16
P-1 Statistics:
Total Attempts: 0
Factors Found: 0

No P-1 attempts yet.

P+1 Statistics:
Total Attempts: 0
Factors Found: 0

No P+1 attempts yet.