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
233878783Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1968826180713088233832167.42016-09-29 11:55:05
History
DateUserTypeResult
2016-09-29Mikhail E. GolosovF
Factor: 196882618071308823383 / TF: 67-68
2015-11-21rocksta308NF
no factor from 2^66 to 2^67
2013-10-02tscNF
no factor from 2^65 to 2^66
2011-06-28Lukin DmitryNF
no factor from 2^64 to 2^65