Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
221912023Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
19456841917470548528872270.72020-03-24 16:48:34
History
DateUserTypeResult
2020-03-24Alexander TsupkoF
Factor: 1945684191747054852887
2019-02-21Chabot PrimeNF
no factor from 2^69 to 2^70
2018-02-26daniel horacioNF
no factor from 2^68 to 2^69
2016-09-06XZTNF
no factor from 2^67 to 2^68
2015-10-29sky_windhNF
no factor from 2^66 to 2^67
2013-08-26Grant McCrackenNF
no factor from 2^65 to 2^66
2011-06-07Nathan EdingtonNF
no factor from 2^64 to 2^65