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
667846759Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4401290124534724093372168.62018-03-11 20:58:12
History
DateUserTypeResult
2018-03-11ConductorF
Factor: 440129012453472409337 / TF: 68-69
2017-02-16KEPNF
no factor from 2^67 to 2^68
2014-05-13sasakiNF
no factor from 2^66 to 2^67
2013-01-15america64NF
no factor from 2^65 to 2^66
2011-10-25laleraNF
no factor from 2^64 to 2^65
2010-06-14Architects CubedNF
no factor from 2^63 to 2^64