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
320040817Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2856356011033706656392168.02016-12-19 05:12:53
History
DateUserTypeResult
2016-12-19SarnetskyF
Factor: 285635601103370665639 / TF: 67-68*
2016-02-27kalassak akani lapikNF
no factor from 2^66 to 2^67
2014-01-30RichardNF
no factor from 2^65 to 2^66
2012-01-04RichardNF
no factor from 2^64 to 2^65