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
671229761Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3565943955479241486492168.32018-03-31 21:31:42
History
DateUserTypeResult
2018-03-31ConductorF
Factor: 356594395547924148649 / TF: 68-69
2017-01-14NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-06sasakiNF
no factor from 2^66 to 2^67
2013-04-19ramgeisNF
no factor from 2^65 to 2^66
2012-01-25LingUaanNF
no factor from 2^64 to 2^65
2010-07-25Architects CubedNF
no factor from 2^63 to 2^64