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

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MnStatusDetails
66301883Factored
FactorDigitsBitsDate
4871963367465562711755344472788.72014-08-31 19:45:18
P-1 factors
DateFactorB1B2
2014-08-314871963367465562711755344475950000
History
DateUserTypeResult
2014-08-31NesowaF-PM1
Factor: 487196336746556271175534447 / (P-1, B1=595000)
2014-06-26Mark RoseNF
no factor from 2^73 to 2^74
2014-06-26Mark RoseNF
no factor from 2^72 to 2^73
2014-04-01Gordon SpenceNF
no factor from 2^71 to 2^72
2013-04-12Torben K.NF
no factor from 2^70 to 2^71
2013-04-12Torben K.NF
no factor from 2^69 to 2^70
2010-06-05Andrew BNF
no factor from 2^68 to 2^69
2010-06-02Sid & AndyNF
no factor from 2^67 to 2^68
2010-02-03SAHS Physics ClubNF
no factor from 2^66 to 2^67
2009-11-30unconnectedNF
no factor from 2^65 to 2^66
2009-11-28unconnectedNF
no factor from 2^64 to 2^65
2009-05-311997rj7NF
no factor to 2^64