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
9082187Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
4061823767353911548.5old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2019-06-10ATHD0CB486E469439E81795900253
Verified2020-10-15kutensD0CB486E469439E8178078153
History
DateUserTypeResult
2020-10-15Simon JosefssonCERT
PRP Certification
Proof certified good
2020-10-15kutensC-PRP
M9082187/406182376735391 : D0CB486E469439E8
PRP proof power = 8
PRP: Verified
Proof certified good
2019-06-10ATHC-PRP
M9082187/406182376735391 : D0CB486E469439E8
PRP: Verified
PRP without proof (not generated)