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
181414661Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
775610151947366974872066.12015-07-28 20:07:45
History
DateUserTypeResult
2015-07-28Alex_soldierF
Factor: 77561015194736697487 / TF: 66-67
2013-05-05bamNF
no factor from 2^65 to 2^66
2011-03-21Sergej LevinNF
no factor from 2^64 to 2^65
2010-07-23Torchwood InstituteNF
no factor from 2^63 to 2^64