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Composite Details

ID: 20871 | 150 digits

240215002130206868665200376521079942670682670619089120957492636543419470582054136828546715557448070091432495205021287431236892794841765230903153982483

Composite Information

ID20871
Original Form(124104916513575995581858090471^7-1)/(124104916513575995581858090471-1)
Current Composite 2402150021302068686652003765210799426706826706190891209574926365434194705820541368285467155574480700...
Digit Length150
SNFS Possible No
GNFS Equivalent 134
Priority3
Created2025-12-01 13:30:05.099205
Last Updated2026-01-12 17:35:10.489055
Status Complete

T-Level Progress

Current T-Levelt18.46
Target T-Levelt41.23
Progress
44.8%

Work Summary

Total Attempts1
Total ECM Curves32
P-1 Attempts0
Factors Found1

Factors: 555586516539601513

Factors with Elliptic Curve Group Order Data

Factor Sigma Group Order Group Order Factorization
555586516539601513 432,516,830 555586516911386080 2^5 * 5 * 37 * 163 * 277 * 22817 * 91097

Factorization Attempts by Method

ECM 32 curves
P-1 0 attempts
P+1 0 attempts
ECM Statistics:
Total Attempts: 1
Total Curves: 32
Factors Found: 1
B1 Range: 250,000 - 250,000
B1 B2 Param Curves Factor Found Client Submitted
250,000 Stage 1 only 3 32 555586516539601513 KyleAskine-Google-Colab 2025-12-01 13:34
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.