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
6900469Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
372625327928.5old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-01-21Oliver Kruse66E871EEBF460E051306922253
Verified2019-01-18ATH66E871EEBF460E05189063453
History
DateUserTypeResult
2023-12-26Stef42NF-PM1
B1=569000, B2=1280664000
2019-01-18ATHC-PRP
M6900469/372625327 : 66E871EEBF460E05
PRP: Verified
PRP without proof (not generated)
2018-01-21Oliver KruseC-PRP
M6900469/372625327 : 66E871EEBF460E05
PRP: Verified
PRP without proof (not generated)