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
14561Composite, with 1 known prime factor. Cofactor is PRP (Probable-Prime).
Factored
FactorDigitsBitsDate
80749913365828353911962.8old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-11-09kkmrkkblmbrbkPRP_PRP_PRP_PRP_1603813
History
DateUserTypeResult
2017-11-09kkmrkkblmbrbkP-PRP
M14561/8074991336582835391 is a probable prime.