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
164583163Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
788355223993019664072066.12015-05-22 06:15:55
History
DateUserTypeResult
2015-05-22NickF
Factor: 78835522399301966407
2013-03-10tscNF
no factor from 2^65 to 2^66
2011-02-09BloodIceNF
no factor from 2^64 to 2^65
2010-07-03carlos56NF
no factor from 2^63 to 2^64