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
426628819Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
7166993441802777802392169.32019-01-26 20:06:24
History
DateUserTypeResult
2019-01-26ConductorF
Factor: 716699344180277780239 / TF: 69-70
2017-03-14KrisDNF
no factor from 2^68 to 2^69
2015-06-03sasakiNF
no factor from 2^66 to 2^68
2014-08-01tscNF
no factor from 2^65 to 2^66
2010-10-21Architects CubedNF
no factor from 2^64 to 2^65
2010-03-19Architects CubedNF
no factor from 2^63 to 2^64