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

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MnStatusDetails
79314731Factored
FactorDigitsBitsDate
971954070842582397052408812686.32016-09-07 20:56:49
P-1 factors
DateFactorB1B2
2016-09-07971954070842582397052408816650000
History
DateUserTypeResult
2016-09-07bamF-PM1
Factor: 97195407084258239705240881 / (P-1, B1=665000)
2016-08-02AirSquirrelsNF
no factor from 2^74 to 2^75
2016-08-02AirSquirrelsNF
no factor from 2^73 to 2^74
2016-07-29CacheOutNF
no factor from 2^72 to 2^73
2014-01-14S04803NF
no factor from 2^71 to 2^72
2013-05-30]mh[ VirtekNF
no factor from 2^70 to 2^71
2013-01-30YxinityNF
no factor from 2^69 to 2^70
2013-01-26YxinityNF
no factor from 2^68 to 2^69
2011-03-29subgeniusNF
no factor from 2^67 to 2^68
2011-03-25-Anonymous-NF
no factor from 2^66 to 2^67
2011-03-22-Anonymous-NF
no factor from 2^65 to 2^66
2009-06-30Patrik JohanssonNF
no factor from 2^64 to 2^65
2009-04-27markrNF
no factor from 2^63 to 2^64