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
285790919Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2579435382443769045112167.82016-11-21 15:13:20
History
DateUserTypeResult
2016-11-21Mikhail E. GolosovF
Factor: 257943538244376904511 / TF: 67-68
2016-01-27Dave BellNF
no factor from 2^66 to 2^67
2013-12-15tscNF
no factor from 2^65 to 2^66
2011-09-22sasaki3NF
no factor from 2^64 to 2^65
2010-04-11Architects CubedNF
no factor from 2^63 to 2^64
2010-04-11Architects CubedNF
no factor from 2^62 to 2^63