Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
155051839Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
16390147189860908295832270.52017-08-24 22:00:40
History
DateUserTypeResult
2017-08-24Sergey NosovF
Factor: 1639014718986090829583 / TF: 70-72*
2017-08-01EratosthenesNF
no factor from 2^69 to 2^70
2017-03-03XolotlNF
no factor from 2^68 to 2^69
2016-05-02Dave BellNF
no factor from 2^67 to 2^68
2015-04-11Pool PartyNF
no factor from 2^66 to 2^67
2013-02-06RichardNF
no factor from 2^65 to 2^66
2011-01-22debrouxlNF
no factor from 2^64 to 2^65
2010-06-26Torchwood InstituteNF
no factor from 2^63 to 2^64