Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
456001261Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5057151996443436691912168.82016-12-15 19:29:28
History
DateUserTypeResult
2016-12-15ConductorF
Factor: 505715199644343669191 / TF: 68-69
2016-04-22sasakiNF
no factor from 2^67 to 2^68
2016-02-20sasakiNF
no factor from 2^66 to 2^67
2014-09-14KayJongsmaNF
no factor from 2^65 to 2^66
2011-11-30sasaki3NF
no factor from 2^64 to 2^65
2010-03-27Architects CubedNF
no factor from 2^63 to 2^64