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
669000257Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2429597327023730278072167.72016-11-28 11:17:21
History
DateUserTypeResult
2016-11-28ConductorF
Factor: 242959732702373027807 / TF: 67-68
2014-05-25sasakiNF
no factor from 2^66 to 2^67
2012-04-24laleraNF
no factor from 2^65 to 2^66
2011-10-12laleraNF
no factor from 2^64 to 2^65
2010-06-14Architects CubedNF
no factor from 2^63 to 2^64