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

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MnStatusDetails
84928609Factored
FactorDigitsBitsDate
2801633223693094282271832477.92017-12-11 21:50:26
P-1 factors
DateFactorB1B2
2017-12-112801633223693094282271836700000
History
DateUserTypeResult
2017-12-11Jwb52zF-PM1
Factor: 280163322369309428227183 / (P-1, B1=670000)
2017-07-21Mark RoseNF
no factor from 2^75 to 2^76
2017-07-19Son JohanNF
no factor from 2^74 to 2^75
2017-05-07-Anonymous-NF
no factor from 2^73 to 2^74
2016-12-22Judge HaleNF
no factor from 2^72 to 2^73
2013-09-02SRS TechnologyNF
no factor from 2^71 to 2^72
2013-09-02SRS TechnologyNF
no factor from 2^70 to 2^71
2013-09-02SRS TechnologyNF
no factor from 2^69 to 2^70
2013-09-02SRS TechnologyNF
no factor from 2^68 to 2^69
2013-06-15PascalBieriNF
no factor from 2^67 to 2^68
2013-06-14willmoreNF
no factor from 2^66 to 2^67
2012-08-07Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-04Architects CubedNF
no factor from 2^64 to 2^65