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
287737837Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2714898516110781989532167.92016-01-30 23:55:42
History
DateUserTypeResult
2016-01-30demfloroF
Factor: 271489851611078198953 / TF: 66-69
2013-12-21RichardNF
no factor from 2^65 to 2^66
2011-09-26RichardNF
no factor from 2^64 to 2^65
2010-04-13Torchwood InstituteNF
no factor from 2^63 to 2^64
2010-04-13Torchwood InstituteNF
no factor from 2^62 to 2^63