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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
6947207Factored
FactorDigitsBitsDate
429137313038411445.3old
643994556536391445.92008-09-08 03:01:57
25951591994559455691961.22016-04-07 11:10:10
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-19kkmrkkblmbrbk7BA0C2ECC257192F3342515453
Verified2019-02-07arnaud7BA0C2ECC257192F3285064653
History
DateUserTypeResult
2023-12-28Stef42NF-PM1
B1=577000, B2=1280664000
2019-02-07arnaudC-PRP
M6947207/42913731303841/64399455653639/2595159199455945569 : 7BA0C2ECC257192F
PRP: Verified
PRP without proof (not generated)
2017-10-19kkmrkkblmbrbkC-PRP
M6947207/42913731303841/64399455653639/2595159199455945569 : 7BA0C2ECC257192F
PRP: Verified
PRP without proof (not generated)
2016-04-07TJAOIF
Factor: 2595159199455945569 / TF: 61-62
2008-09-08Will EdgingtonF
Factor: 64399455653639