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
121577369Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
17600431018109456480092270.62015-05-28 17:34:35
History
DateUserTypeResult
2015-05-28manrusF
Factor: 1760043101810945648009 / TF: 70-71
2013-12-24GrunwalderGIMPNF
no factor from 2^69 to 2^70
2013-12-24GrunwalderGIMPNF
no factor from 2^68 to 2^69
2013-12-24GrunwalderGIMPNF
no factor from 2^66 to 2^68
2012-08-23-Anonymous-NF
no factor from 2^65 to 2^66
2010-10-22Mr-PlonkNF
no factor from 2^64 to 2^65
2010-05-18James HintzNF
no factor from 2^63 to 2^64