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
262876589Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2938726243106079243912168.02015-12-17 09:21:36
History
DateUserTypeResult
2015-12-17ConductorF
Factor: 293872624310607924391 / TF: 67-68
2014-03-07riccardo ubertiNF
no factor from 2^66 to 2^67
2013-11-20KayJongsmaNF
no factor from 2^65 to 2^66
2011-08-15albin_pouillesNF
no factor from 2^64 to 2^65
2010-03-17smokyNF
no factor from 2^63 to 2^64
2010-03-17smokyNF
no factor from 2^62 to 2^63