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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Exponent Range:










MnStatusDetails
912303583Factored
FactorDigitsBitsDate
1223986756708058271432166.72015-11-26 12:39:46
History
DateUserTypeResult
2015-11-26ConductorF
Factor: 122398675670805827143 / TF: 66-67
2013-05-01america64NF
no factor from 2^65 to 2^66
2011-10-29lindedNF
no factor from 2^64 to 2^65
2010-07-24lindedNF
no factor from 2^63 to 2^64