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
190353521Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1268583277350317727672166.82015-08-28 14:56:39
History
DateUserTypeResult
2015-08-28Alex_soldierF
Factor: 126858327735031772767 / TF: 66-67*
2013-06-05Broomfield Designers.comNF
no factor from 2^65 to 2^66
2011-04-10oodairaNF
no factor from 2^64 to 2^65
2010-08-03Cedric VonckNF
no factor from 2^63 to 2^64