Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnStatusDetails
13896907Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
613146267561431445.8old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-11-03Funky Waddle9B7E205A47C187C211029295553
History
DateUserTypeResult
2022-11-03Roland ClarksonCERT
PRP Certification
Proof certified good
2022-11-03Funky WaddleC-PRP
M13896907/61314626756143 : 9B7E205A47C187C2
PRP proof power = 8
PRP: Verified
Proof certified good
2022-10-08nordiNF-PM1
B1=300000, B2=220593450
2022-09-09nordiNF-PM1
B1=300000