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

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MnStatusDetails
256665191Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
966369587940571832332066.42015-12-18 19:08:52
History
DateUserTypeResult
2015-12-18Alex_soldierF
Factor: 96636958794057183233 / TF: 66-67
2013-11-15Mr-PlonkNF
no factor from 2^65 to 2^66
2011-08-06impsNF
no factor from 2^64 to 2^65
2010-03-09oodairaNF
no factor from 2^63 to 2^64
2010-03-09oodairaNF
no factor from 2^62 to 2^63