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
801965551Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
12182359228112433707032270.02020-02-11 15:40:41
History
DateUserTypeResult
2020-02-11ConductorF
Factor: 1218235922811243370703 / TF: 70-71
2016-07-19ramgeisNF
no factor from 2^69 to 2^70
2012-05-02James HeinrichNF
no factor from 2^66 to 2^69
2012-02-07sasaki3NF
no factor from 2^65 to 2^66
2012-02-07sasaki3NF
no factor from 2^64 to 2^65
2010-03-29Architects CubedNF
no factor from 2^63 to 2^64