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
235005517Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2512412295170012767192167.82016-09-30 09:54:54
History
DateUserTypeResult
2016-09-30Alex_soldierF
Factor: 251241229517001276719 / TF: 67-68*
2015-11-23subgeniusNF
no factor from 2^66 to 2^67
2013-10-08alessandroNF
no factor from 2^65 to 2^66
2011-07-03RichardNF
no factor from 2^64 to 2^65
2010-05-19Architects CubedNF
no factor from 2^63 to 2^64