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
800549389Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
40041461204290796226712271.82019-12-16 20:37:55
History
DateUserTypeResult
2019-12-16ConductorF
Factor: 4004146120429079622671 / TF: 71-72
2019-12-16ConductorNF
no factor from 2^70 to 2^71
2016-07-19ramgeisNF
no factor from 2^69 to 2^70
2015-07-19Bruno VictalNF
no factor from 2^68 to 2^69
2015-05-04sasakiNF
no factor from 2^67 to 2^68
2014-11-14sasakiNF
no factor from 2^66 to 2^67
2013-10-19sasakiNF
no factor from 2^65 to 2^66
2010-09-29Architects CubedNF
no factor from 2^64 to 2^65
2010-04-05Architects CubedNF
no factor from 2^63 to 2^64