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

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MnStatusDetails
79221677Factored
FactorDigitsBitsDate
83312691124127049362464072582.82016-08-26 03:36:40
P-1 factors
DateFactorB1B2
2016-08-26833126911241270493624640766500012635000
History
DateUserTypeResult
2016-08-26Jwb52zF-PM1
Factor: 8331269112412704936246407 / (P-1, B1=665000, B2=12635000)
2016-08-23A_SavchenkoNF
no factor from 2^74 to 2^75
2016-08-23A_SavchenkoNF
no factor from 2^73 to 2^74
2016-07-22cuBerBruceNF
no factor from 2^72 to 2^73
2016-04-05Mark RoseNF
no factor from 2^64 to 2^65
2016-04-04Mark RoseNF
no factor from 2^63 to 2^64
2013-01-22AllRandomNF
no factor from 2^71 to 2^72
2013-01-22AllRandomNF
no factor from 2^70 to 2^71
2013-01-22AllRandomNF
no factor from 2^69 to 2^70
2012-04-07ITSNF
no factor from 2^68 to 2^69
2011-03-19ANONYMOUSNF
no factor from 2^67 to 2^68
2010-11-18Charles A. MorrisNF
no factor from 2^66 to 2^67
2010-11-16S00030NF
no factor from 2^65 to 2^66