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
640003843Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2283358987907643783372167.62016-11-29 11:08:19
History
DateUserTypeResult
2016-11-29ConductorF
Factor: 228335898790764378337 / TF: 67-68
2014-05-26sasakiNF
no factor from 2^66 to 2^67
2014-02-21my100nickNF
no factor from 2^65 to 2^66
2010-10-27Architects CubedNF
no factor from 2^64 to 2^65
2010-03-07lindedNF
no factor from 2^62 to 2^64