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
930420343Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2557934039707804239772167.82015-12-03 13:43:50
History
DateUserTypeResult
2015-12-03ConductorF
Factor: 255793403970780423977 / TF: 67-68
2015-09-13Bruno VictalNF
no factor from 2^66 to 2^67
2013-05-24ramgeisNF
no factor from 2^65 to 2^66
2011-07-05lindedNF
no factor from 2^64 to 2^65
2010-06-28Nathan EdingtonNF
no factor from 2^63 to 2^64