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

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MnStatusDetails
84374011Factored
FactorDigitsBitsDate
2505085077712364237025192477.72017-11-16 18:37:53
P-1 factors
DateFactorB1B2
2017-11-1625050850777123642370251967500012993750
History
DateUserTypeResult
2017-11-16Brian BeuningF-PM1
Factor: 250508507771236423702519 / (P-1, B1=675000, B2=12993750, E=6)
2017-04-24TheJudgerNF
no factor from 2^75 to 2^76
2017-04-24TheJudgerNF
no factor from 2^74 to 2^75
2017-04-24TheJudgerNF
no factor from 2^73 to 2^74
2017-01-20Judge HaleNF
no factor from 2^72 to 2^73
2017-01-20Judge HaleNF
no factor from 2^71 to 2^72
2014-08-12GrunwalderGIMPNF
no factor from 2^70 to 2^71
2014-01-15roemer2201NF
no factor from 2^69 to 2^70
2013-12-29firereddNF
no factor from 2^68 to 2^69
2013-02-19peterhNF
no factor from 2^67 to 2^68
2013-02-19Juergen KampmeierNF
no factor from 2^66 to 2^67
2012-08-16Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-07Architects CubedNF
no factor from 2^64 to 2^65