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
800111309Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
12284028856529834193672270.12019-11-05 20:59:10
History
DateUserTypeResult
2019-11-05ConductorF
Factor: 1228402885652983419367 / TF: 70-71
2016-08-10ramgeisNF
no factor from 2^68 to 2^70
2015-05-05sasakiNF
no factor from 2^67 to 2^68
2014-08-10James HintzNF
no factor from 2^66 to 2^67
2010-10-22Rob_DeeNF
no factor from 2^65 to 2^66
2010-09-26Architects CubedNF
no factor from 2^64 to 2^65