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Composite Details

ID: 16903 | 137 digits

18863095922543654479354329297577519498449467342665744845521318273970256713261170479460580080182155085539249467513140858093348546097178029

Composite Information

ID16903
Original Form(281473039621^17-1)/(281473039621-1)
Current Composite 1886309592254365447935432929757751949844946734266574484552131827397025671326117047946058008018215508...
Digit Length137
SNFS Possible Yes
GNFS Equivalent 157
Priority2
Created2025-10-01 13:29:37.533607
Last Updated2026-01-13 11:02:24.456193
Status Active

T-Level Progress

Current T-Levelt35.11
Target T-Levelt42.15
Progress
83.3%

Work Summary

Total Attempts5
Total ECM Curves1,871
P-1 Attempts0
Factors Found1

Factors: 27438661565744978678092978837299019

Factors with Elliptic Curve Group Order Data

Factor Sigma Group Order Group Order Factorization
27438661565744978678092978837299019 606,504,705 27438661565744978841918255821005568 2^8 * 13 * 71 * 461 * 617 * 1033 * 6143 * 11887 * 234167 * 23113003

Factorization Attempts by Method

ECM 1,871 curves
P-1 0 attempts
P+1 0 attempts
ECM Statistics:
Total Attempts: 5
Total Curves: 1,871
Factors Found: 1
B1 Range: 11,000 - 1,000,000
B1 B2 Param Curves Factor Found Client Submitted
1,000,000 Default 1 1,032 None VGDominion-MacBookAir 2025-11-28 01:14
250,000 Default 1 18 None VGDominion-MacBookAir 2025-11-19 02:26
250,000 Default 1 465 27438661565744978678092978837299019 VGDominion-Legion 2025-11-04 00:59
50,000 Default 1 250 None VGDominion-Legion 2025-11-04 00:58
11,000 Default 1 106 None VGDominion-Legion 2025-11-04 00:58
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.