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
273245381Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1999191372857782853772167.42016-10-28 21:22:30
History
DateUserTypeResult
2016-10-28Mikhail E. GolosovF
Factor: 199919137285778285377 / TF: 67-68
2016-01-07Mr-PlonkNF
no factor from 2^66 to 2^67
2013-12-02sasaki3NF
no factor from 2^65 to 2^66
2011-09-02sasaki3NF
no factor from 2^64 to 2^65
2010-04-03monstNF
no factor from 2^63 to 2^64
2010-04-03monstNF
no factor from 2^62 to 2^63