Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
10858193Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
608058809929.2old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-04-05LaurV911861531489D8021718569653
History
DateUserTypeResult
2021-04-05curtiscCERT
PRP Certification
Proof certified good
2021-04-05LaurVC-PRP
M10858193/608058809 : 911861531489D802
PRP proof power = 8
PRP: Verified
Proof certified good