Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
88240309Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1398491098315677832337112476.92018-10-08 22:26:52
P-1 factors
DateFactorB1B2
2018-10-0813984910983156778323371172500014137500
History
DateUserTypeResult
2018-10-08Oliver KruseF-PM1
Factor: 139849109831567783233711 / (P-1, B1=725000, B2=14137500, E=12)
2018-07-09penluNF
no factor from 2^75 to 2^76
2018-07-09penluNF
no factor from 2^74 to 2^75
2017-07-13Tim SorberaNF
no factor from 2^73 to 2^74
2017-07-02Sid & AndyNF
no factor from 2^72 to 2^73
2017-07-02Sid & AndyNF
no factor from 2^71 to 2^72
2015-08-14monstNF
no factor from 2^70 to 2^71
2011-09-05wavelet3000NF
no factor from 2^69 to 2^70
2011-09-05wavelet3000NF
no factor from 2^68 to 2^69
2011-09-05wavelet3000NF
no factor from 2^67 to 2^68
2011-04-16wavelet3000NF
no factor from 2^66 to 2^67
2011-03-16wavelet3000NF
no factor from 2^65 to 2^66
2010-11-13Architects CubedNF
no factor from 2^64 to 2^65