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
665913419Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4291541664881329581132168.52018-03-05 05:23:07
History
DateUserTypeResult
2018-03-05ConductorF
Factor: 429154166488132958113 / TF: 68-69
2016-03-20america64NF
no factor from 2^67 to 2^68
2014-05-14sasakiNF
no factor from 2^66 to 2^67
2011-11-05laleraNF
no factor from 2^65 to 2^66
2011-06-29laleraNF
no factor from 2^64 to 2^65
2010-06-08Architects CubedNF
no factor from 2^63 to 2^64