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
661009199Factored
FactorDigitsBitsDate
4941231788918407930492168.72017-09-10 23:40:47
History
DateUserTypeResult
2017-09-10Alex_soldierF
Factor: 494123178891840793049 / TF: 68-69*
2017-02-01sasakiNF
no factor from 2^67 to 2^68
2014-03-24sasakiNF
no factor from 2^66 to 2^67
2013-12-15sasakiNF
no factor from 2^65 to 2^66
2012-01-23sasaki3NF
no factor from 2^64 to 2^65
2010-06-16Architects CubedNF
no factor from 2^63 to 2^64