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
584222399Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
8447219077835953855912169.52018-05-25 18:50:55
History
DateUserTypeResult
2018-05-25YxinityF
Factor: 844721907783595385591 / TF: 69-70
2018-05-24sasakiNF
no factor from 2^68 to 2^69
2016-12-18sasakiNF
no factor from 2^67 to 2^68
2015-10-17sasakiNF
no factor from 2^66 to 2^67
2014-11-05sasakiNF
no factor from 2^65 to 2^66
2011-06-06Architects CubedNF
no factor from 2^64 to 2^65
2010-03-11Architects CubedNF
no factor from 2^63 to 2^64