Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
475034059Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
422900778344661451912065.22014-10-07 09:59:38
History
DateUserTypeResult
2014-10-07NickF
Factor: 42290077834466145191 / TF: 65-66
2011-12-10Jeff PalmerNF
no factor from 2^64 to 2^65
2010-03-30Architects CubedNF
no factor from 2^63 to 2^64