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Composite Details

ID: 23861 | 247 digits

1348052374991215727790229547876781045119327170633987877867296536223766578926440046977783994944715822565050306386270974345175285021893279324005852127358130802050392217795262950361041897896261024510086505482329711261278367209102765511622364989564601

Composite Information

ID23861
Original Form(16883^71-1)/(16883-1)
Current Composite 1348052374991215727790229547876781045119327170633987877867296536223766578926440046977783994944715822...
Digit Length247
SNFS Possible No
GNFS Equivalent 221
Priority5
Created2025-12-10 22:26:16.745717
Last Updated2026-01-12 11:38:36.331336
Status Complete

T-Level Progress

Current T-Levelt42.01
Target T-Levelt68.0
Progress
61.8%

Work Summary

Total Attempts1
Total ECM Curves2,203
P-1 Attempts0
Factors Found1

Factors: 61914503061939659408460527720735647617398765818013

Factors with Elliptic Curve Group Order Data

Factor Sigma Group Order Group Order Factorization
61914503061939659408460527720735647617398765818013 708,737,318 61914503061939659408460537230319859727657920086952 2^3 * 43 * 139 * 1733 * 12241 * 72871 * 344821 * 529999 * 3894433 * 10211321 * 115253477

Factorization Attempts by Method

ECM 2,203 curves
P-1 0 attempts
P+1 0 attempts
ECM Statistics:
Total Attempts: 1
Total Curves: 2,203
Factors Found: 1
B1 Range: 11,000,000 - 11,000,000
B1 B2 Param Curves Factor Found Client Submitted
11,000,000 5,500,000,000 3 2,203 61914503061939659408460527720735647617398765818013 KyleAskine-PC_V2 2026-01-07 05:42
11,000,000 Stage 1 only SUPERSEDED 3 3,072 None KyleAskine-PC_V2 2025-12-30 08:13
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.