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
237935449Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1831372421978068512892167.32016-10-06 19:15:26
History
DateUserTypeResult
2016-10-06Mikhail E. GolosovF
Factor: 183137242197806851289 / TF: 67-68
2015-11-27subgeniusNF
no factor from 2^66 to 2^67
2013-10-14Lukin DmitryNF
no factor from 2^65 to 2^66
2011-07-05RichardNF
no factor from 2^64 to 2^65
2010-05-20Architects CubedNF
no factor from 2^63 to 2^64
2010-03-05monstNF
no factor from 2^62 to 2^63