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
5841317Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
12533947539591340.2old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-20kkmrkkblmbrbk5052EDD7D451599E1013
Verified2018-08-30Nesowa5052EDD7D451599E1209254313
History
DateUserTypeResult
2025-08-25Sid & AndyNF-PM1
B1=3300000, B2=6742848840
2023-05-12This -Anonymous-NF-PM1
B1=50000, B2=1000000, E=6
2018-08-30NesowaC-PRP
M5841317/1253394753959 : 5052EDD7D451599E
PRP: Verified
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbkC-PRP
M5841317/1253394753959 : 5052EDD7D451599E
PRP: Verified
PRP without proof (not generated)