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

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MnStatusDetails
801974611Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
12000377962925215326232270.02020-02-11 15:40:56
15610678201160176158732270.42020-02-11 15:40:56
History
DateUserTypeResult
2020-02-11ConductorF
Factor: 1200037796292521532623 / TF: 70-71
2020-02-11ConductorF
Factor: 1561067820116017615873 / TF: 70-71
2016-07-19ramgeisNF
no factor from 2^69 to 2^70
2012-05-02James HeinrichNF
no factor from 2^66 to 2^69
2012-02-07sasaki3NF
no factor from 2^65 to 2^66
2012-02-07sasaki3NF
no factor from 2^64 to 2^65
2010-07-07Architects CubedNF
no factor from 2^63 to 2^64