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
670263277Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5179216909550044028872168.82018-03-22 12:27:10
History
DateUserTypeResult
2018-03-22ConductorF
Factor: 517921690955004402887 / TF: 68-69
2017-01-22NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-06sasakiNF
no factor from 2^66 to 2^67
2013-04-17ramgeisNF
no factor from 2^65 to 2^66
2012-01-24Alben WeeksNF
no factor from 2^64 to 2^65
2010-07-24Architects CubedNF
no factor from 2^63 to 2^64