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
166581937Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1016573867185236288492166.52015-05-30 10:15:05
History
DateUserTypeResult
2015-05-30Alex_soldierF
Factor: 101657386718523628849 / TF: 66-67
2013-03-17GrunwalderGIMPNF
no factor from 2^65 to 2^66
2011-02-12runeskNF
no factor from 2^64 to 2^65
2010-07-06Torchwood InstituteNF
no factor from 2^63 to 2^64