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

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MnStatusDetails
271529393Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2572584303227560588632167.82016-10-25 17:53:52
History
DateUserTypeResult
2016-10-25Mikhail E. GolosovF
Factor: 257258430322756058863 / TF: 67-68
2016-01-05ANONYMOUSNF
no factor from 2^66 to 2^67
2013-11-30Grant McCrackenNF
no factor from 2^65 to 2^66
2011-11-06riccardo ubertiNF
no factor from 2^64 to 2^65
2010-03-27Torchwood InstituteNF
no factor from 2^63 to 2^64
2010-03-27Torchwood InstituteNF
no factor from 2^62 to 2^63