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
67072151Factored
FactorDigitsBitsDate
39405555987457887473272271.72013-08-25 16:08:33
P-1 factors
DateFactorB1B2
2013-08-25394055559874578874732772500016131250
History
DateUserTypeResult
2013-08-25Jwb52zF-PM1
Factor: 3940555598745788747327
2013-06-25Le ComteNF
no factor from 2^70 to 2^71
2012-02-14sikafarmi_rendering_farmNF
no factor from 2^69 to 2^70
2010-06-12chargerNF
no factor from 2^68 to 2^69
2009-04-11JShaftNF
no factor from 2^67 to 2^68
2009-04-03jfarekNF
no factor from 2^66 to 2^67
2009-04-02NoWhereManNF
no factor from 2^65 to 2^66
2009-03-31NoWhereManNF
no factor from 2^64 to 2^65
2008-12-11Wojciech FlorekNF
no factor from 2^63 to 2^64