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
672001433Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2787803721687698841832167.92016-11-29 16:48:13
History
DateUserTypeResult
2016-11-29ConductorF
Factor: 278780372168769884183 / TF: 67-68
2014-07-07sasakiNF
no factor from 2^66 to 2^67
2013-04-21ramgeisNF
no factor from 2^65 to 2^66
2012-01-25LingUaanNF
no factor from 2^64 to 2^65
2010-07-25Architects CubedNF
no factor from 2^63 to 2^64