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

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MnStatusDetails
90126433Factored
FactorDigitsBitsDate
28479948777403359496408581038647486576739127.72019-02-02 22:14:11
P-1 factors
DateFactorB1B2
2019-02-0228479948777403359496408581038647486576774000014985000
History
DateUserTypeResult
2019-02-02Oliver KruseF-PM1
Factor: 284799487774033594964085810386474865767 / (P-1, B1=740000, B2=14985000, E=12)
2018-11-25TheJudgerNF
no factor from 2^75 to 2^76
2018-11-25TheJudgerNF
no factor from 2^74 to 2^75
2018-03-19c10ck3rNF-PM1
B1=10000
2018-01-15Carsten KossendeyNF
no factor from 2^73 to 2^74
2016-08-01Carsten KossendeyNF
no factor from 2^72 to 2^73
2015-01-25Carsten KossendeyNF
no factor from 2^71 to 2^72
2015-01-06JakeWNF
no factor from 2^70 to 2^71
2013-11-15Carsten KossendeyNF
no factor from 2^69 to 2^70
2013-06-26Carsten KossendeyNF
no factor from 2^68 to 2^69
2010-12-20Carsten KossendeyNF
no factor from 2^67 to 2^68
2010-11-07Carsten KossendeyNF
no factor from 2^66 to 2^67
2010-08-30Carsten KossendeyNF
no factor from 2^65 to 2^66