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Composite Details

ID: 15687 | 160 digits

7968192511056512166604189244666383614204006998453679223960726892191639210492519749276134853601878787357905600108887530555357077930709588209917339887627924408549

Composite Information

ID15687
Original Form(283155306808023277^13-1)/(283155306808023277-1)
Current Composite 7968192511056512166604189244666383614204006998453679223960726892191639210492519749276134853601878787...
Digit Length160
SNFS Possible Yes
GNFS Equivalent 152
Priority2
Created2025-10-01 13:27:03.022303
Last Updated2026-01-13 12:21:19.901148
Status Active

T-Level Progress

Current T-Levelt30.01
Target T-Levelt46.77
Progress
64.2%

Work Summary

Total Attempts4
Total ECM Curves839
P-1 Attempts0
Factors Found1

Factors: 908870368489683472210501853

Factors with Elliptic Curve Group Order Data

Factor Sigma Group Order Group Order Factorization
908870368489683472210501853 4,286,426,283 908870368489656611312582656 2^14 * 31 * 103 * 829 * 28751 * 43661 * 16694827

Factorization Attempts by Method

ECM 839 curves
P-1 0 attempts
P+1 0 attempts
ECM Statistics:
Total Attempts: 4
Total Curves: 839
Factors Found: 1
B1 Range: 11,000 - 250,000
B1 B2 Param Curves Factor Found Client Submitted
250,000 Default 1 21 None VGDominion-MacBookAir 2025-11-20 03:43
250,000 Default 1 462 908870368489683472210501853 VGDominion-MacBookAir 2025-11-19 08:45
50,000 Default 1 250 None VGDominion-MacBookAir 2025-11-19 08:44
11,000 Default 1 106 None VGDominion-MacBookAir 2025-11-19 08:44
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.