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
284175289Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2661828881328388308492167.92016-11-18 00:17:27
History
DateUserTypeResult
2016-11-18demfloroF
Factor: 266182888132838830849 / TF: 67-68
2016-01-24mikeblasNF
no factor from 2^66 to 2^67
2014-06-14Grant McCrackenNF
no factor from 2^65 to 2^66
2011-09-21RichardNF
no factor from 2^64 to 2^65
2010-04-10lindedNF
no factor from 2^63 to 2^64
2010-04-10lindedNF
no factor from 2^62 to 2^63