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
8008867Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
768851233929.5old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-07-09_p95holder_1F159245418EEB0E1493664453
Verified2020-01-01Chang Chia-Tche1F159245418EEB0E1136486153
History
DateUserTypeResult
2024-02-25Stef42NF-PM1
B1=937000, B2=1756495650
2020-01-01Chang Chia-TcheC-PRP
M8008867/768851233 : 1F159245418EEB0E
PRP: Verified
PRP without proof (not generated)
2018-07-09_p95holder_C-PRP
M8008867/768851233 : 1F159245418EEB0E
PRP: Verified
PRP without proof (not generated)