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
81152107Factored
FactorDigitsBitsDate
16420663411490990313157252492890.42017-07-14 23:26:34
P-1 factors
DateFactorB1B2
2017-07-1416420663411490990313157252496800000
History
DateUserTypeResult
2017-07-14Smok_bmv F-PM1
Factor: 1642066341149099031315725249 / (P-1, B1=680000)
2016-09-30-Anonymous-NF
no factor from 2^74 to 2^75
2016-09-30-Anonymous-NF
no factor from 2^73 to 2^74
2016-09-30-Anonymous-NF
no factor from 2^72 to 2^73
2016-09-30-Anonymous-NF
no factor from 2^71 to 2^72
2014-02-25timc995NF
no factor from 2^70 to 2^71
2014-02-04GrunwalderGIMPNF
no factor from 2^69 to 2^70
2014-02-02JMGarciaNF
no factor from 2^68 to 2^69
2013-01-27Cow_tippingNF
no factor from 2^67 to 2^68
2013-01-26irreally9002NF
no factor from 2^66 to 2^67
2011-03-27Michael-AbstractNF
no factor from 2^65 to 2^66
2010-12-02Architects CubedNF
no factor from 2^64 to 2^65