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

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MnStatusDetails
90395927Factored
FactorDigitsBitsDate
7258093502758003288383003372789.22019-02-15 10:06:07
P-1 factors
DateFactorB1B2
2019-02-1572580935027580032883830033769500013205000
History
DateUserTypeResult
2019-02-15Sergey NosovF-PM1
Factor: 725809350275800328838300337 / (P-1, B1=695000, B2=13205000, E=12)
2019-01-27TheJudgerNF
no factor from 2^76 to 2^77
2018-12-02TheJudgerNF
no factor from 2^75 to 2^76
2018-12-02TheJudgerNF
no factor from 2^74 to 2^75
2018-07-11Carsten KossendeyNF
no factor from 2^73 to 2^74
2016-12-26Carsten KossendeyNF
no factor from 2^72 to 2^73
2016-01-14Carsten KossendeyNF
no factor from 2^71 to 2^72
2014-09-05qwertyuio999NF
no factor from 2^70 to 2^71
2013-12-19Carsten KossendeyNF
no factor from 2^69 to 2^70
2012-05-23Carsten KossendeyNF
no factor from 2^68 to 2^69
2011-01-18Carsten KossendeyNF
no factor from 2^67 to 2^68
2010-11-22Carsten KossendeyNF
no factor from 2^66 to 2^67
2010-09-16Carsten KossendeyNF
no factor from 2^65 to 2^66