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

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MnStatusDetails
80071399Factored
FactorDigitsBitsDate
20725792773538644981590472580.82016-11-03 08:16:22
P-1 factors
DateFactorB1B2
2016-11-03207257927735386449815904766000012210000
History
DateUserTypeResult
2016-11-03James HeinrichF-PM1
Factor: 2072579277353864498159047 / (P-1, B1=660000, B2=12210000)
2016-10-31dh1NF
no factor from 2^75 to 2^76
2016-10-30BdotNF
no factor from 2^74 to 2^75
2016-10-28Judge HaleNF
no factor from 2^73 to 2^74
2016-10-28Judge HaleNF
no factor from 2^72 to 2^73
2014-11-09garoNF
no factor from 2^71 to 2^72
2013-10-30S04803NF
no factor from 2^70 to 2^71
2013-10-13ITSNF
no factor from 2^69 to 2^70
2013-08-12-Anonymous-NF
no factor from 2^68 to 2^69
2013-01-30rjbelansNF
no factor from 2^67 to 2^68
2013-01-26phoenicisNF
no factor from 2^66 to 2^67
2011-08-11Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-02Architects CubedNF
no factor from 2^64 to 2^65