Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnStatusDetails
478237663Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
9940338090746419403512169.82017-12-09 14:59:54
History
DateUserTypeResult
2017-12-09ky0urakuF
Factor: 994033809074641940351 / TF: 69-70
2017-12-01ky0urakuNF
no factor from 2^68 to 2^69
2016-06-11sasakiNF
no factor from 2^67 to 2^68
2016-03-24sasakiNF
no factor from 2^66 to 2^67
2014-10-10sasaki3NF
no factor from 2^65 to 2^66
2011-12-12sasaki3NF
no factor from 2^64 to 2^65
2010-03-30Architects CubedNF
no factor from 2^63 to 2^64