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Composite Details

ID: 200 | 898 digits

1665041289157223651555510292189269923607641935939019478385942483964230787435513705891730629419184356056346284346098488146146905312525843730275401308560413696160704205020164443340385555809837392987507391185799418269698660207228927880519776615040679658191913968627684730866842751797711248256164895986209522940116599477041579000350245929611252200299101926862986383412630071172732725764975638873061786254184696155090530068289077437637502544905354921703371167711309914612843650519415099232447364344881630093561726730296064061591258268782297674733013014270967694097196353858374011427794859632956792453064062536618525544191728647011975618346277139462863135401367938494697569639928031318297144035428187887179744848624336900985437802344316200095222535074544667248287644893417524246937875486385634924748118040523126795792728292726875913796585345725930070042631252942726997099384435365292009464364826796940109

Composite Information

ID200
Original Form(6451953930535468040201467296247517480344105907454586071293541389704823605884349^13-1)/(6451953930535468040201467296247517480344105907454586071293541389704823605884349-1)
Current Composite 1665041289157223651555510292189269923607641935939019478385942483964230787435513705891730629419184356...
Digit Length898
SNFS Possible No
GNFS Equivalent 716
Priority3
Created2025-10-01 12:53:48.950648
Last Updated2026-01-05 15:19:15.200075
Status Active

T-Level Progress

Current T-Levelt37.53
Target T-Levelt85.0
Progress
44.1%

Work Summary

Total Attempts1
Total ECM Curves202
P-1 Attempts0
Factors Found1

Factors: 520603207742696127840791118055092583819

Factors with Elliptic Curve Group Order Data

Factor Sigma Group Order Group Order Factorization
520603207742696127840791118055092583819 1,838,915,009 520603207742696127817977885282172968616 2^3 * 137699 * 513017 * 1991153 * 2206613 * 4125691 * 50819081

Factorization Attempts by Method

ECM 202 curves
P-1 0 attempts
P+1 0 attempts
ECM Statistics:
Total Attempts: 1
Total Curves: 202
Factors Found: 1
B1 Range: 11,000,000 - 11,000,000
B1 B2 Param Curves Factor Found Client Submitted
11,000,000 1,100,000,000 3 202 520603207742696127840791118055092583819 KyleAskine-PC_V2 2025-12-15 04:16
11,000,000 Stage 1 only SUPERSEDED 3 3,072 None KyleAskine-PC_V2 2025-12-15 04:14
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.