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

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MnStatusDetails
82713283Factored
FactorDigitsBitsDate
782255768530971304508812376.12017-08-28 17:53:11
P-1 factors
DateFactorB1B2
2017-08-28782255768530971304508817050000
History
DateUserTypeResult
2017-08-28S485122F-PM1
Factor: 78225576853097130450881 / (P-1, B1=705000)
2016-12-08-Anonymous-NF
no factor from 2^74 to 2^75
2016-12-08-Anonymous-NF
no factor from 2^73 to 2^74
2016-12-08-Anonymous-NF
no factor from 2^72 to 2^73
2016-12-08-Anonymous-NF
no factor from 2^71 to 2^72
2014-03-29HobzNF
no factor from 2^70 to 2^71
2014-02-09ANONYMOUSNF
no factor from 2^69 to 2^70
2013-08-11JGBTNF
no factor from 2^68 to 2^69
2013-06-12SMoffatNF
no factor from 2^67 to 2^68
2013-06-11SMoffatNF
no factor from 2^66 to 2^67
2011-03-29KarlMJNF
no factor from 2^65 to 2^66
2010-12-18Architects CubedNF
no factor from 2^64 to 2^65