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
233897029Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1657980143515328913112167.22016-09-29 08:40:16
History
DateUserTypeResult
2016-09-29Mikhail E. GolosovF
Factor: 165798014351532891311 / TF: 67-68
2015-11-20tscNF
no factor from 2^66 to 2^67
2013-10-04Arne KleppestrandNF
no factor from 2^65 to 2^66
2011-06-28HBendtzNF
no factor from 2^64 to 2^65