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
447001903Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3020644887896049744172168.02016-12-15 15:38:08
History
DateUserTypeResult
2016-12-15ConductorF
Factor: 302064488789604974417 / TF: 68-69
2016-01-27sasakiNF
no factor from 2^67 to 2^68
2015-07-26LookASNF
no factor from 2^66 to 2^67
2014-09-03RichardNF
no factor from 2^65 to 2^66
2011-11-25albin_pouillesNF
no factor from 2^64 to 2^65
2010-03-20Architects CubedNF
no factor from 2^63 to 2^64