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
8073077Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
48438463825.5old
1860215194340171547.42008-03-11 03:35:44
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-07-31Oliver Kruse7A1562041F691F0D2157717953
Verified2020-01-20marssystems7A1562041F691F0D2227974853
History
DateUserTypeResult
2024-02-26Stef42NF-PM1
B1=956000, B2=2044750890
2020-01-20marssystemsC-PRP
M8073077/48438463/186021519434017 : 7A1562041F691F0D
PRP: Verified
PRP without proof (not generated)
2018-07-31Oliver KruseC-PRP
M8073077/48438463/186021519434017 : 7A1562041F691F0D
PRP: Verified
PRP without proof (not generated)