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Composite Details

ID: 15680 | 149 digits

13507360363950902766382608776866891750115692668445161188682176959292769616920568823897386916676828565408818766917148079783846036658161712419688752279

Composite Information

ID15680
Original Form(468638417911^17-1)/(468638417911-1)
Current Composite 1350736036395090276638260877686689175011569266844516118868217695929276961692056882389738691667682856...
Digit Length149
SNFS Possible Yes
GNFS Equivalent 161
Priority2
Created2025-10-01 13:27:02.108697
Last Updated2026-01-13 11:31:11.783765
Status Active

T-Level Progress

Current T-Levelt42.58
Target T-Levelt45.85
Progress
92.9%

Work Summary

Total Attempts4
Total ECM Curves3,158
P-1 Attempts0
Factors Found1

Factors: 400715115134039677603650722843571653863

Factors with Elliptic Curve Group Order Data

Factor Sigma Group Order Group Order Factorization
400715115134039677603650722843571653863 3,067,558,346 400715115134039677570781561576905460152 2^3 * 9491 * 23633 * 186859 * 48328547 * 132549733 * 186559897

Factorization Attempts by Method

ECM 3,158 curves
P-1 0 attempts
P+1 0 attempts
ECM Statistics:
Total Attempts: 4
Total Curves: 3,158
Factors Found: 1
B1 Range: 11,000 - 260,000,000
B1 B2 Param Curves Factor Found Client Submitted
260,000,000 Stage 1 only 3 2,304 400715115134039677603650722843571653863 KyleAskine-PC 2026-01-05 21:43
250,000 Default 1 498 None VGDominion-MacBookAir 2025-11-21 11:10
50,000 Default 1 250 None VGDominion-MacBookAir 2025-11-21 11:09
11,000 Default 1 106 None VGDominion-MacBookAir 2025-11-21 11:08
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.