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
911272337Factored
FactorDigitsBitsDate
4213386345163938924012168.52016-06-01 19:16:01
History
DateUserTypeResult
2016-06-01ConductorF
Factor: 421338634516393892401 / TF: 68-69
2015-12-12ConductorNF
no factor from 2^67 to 2^68
2015-03-18BJBNF
no factor from 2^66 to 2^67
2011-10-24laleraNF
no factor from 2^64 to 2^66
2010-06-30lindedNF
no factor from 2^63 to 2^64