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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
200345687Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21478082187112505066472270.92019-09-13 08:29:34
History
DateUserTypeResult
2019-09-13Alexander TsupkoF
Factor: 2147808218711250506647
2018-12-30Chabot PrimeNF
no factor from 2^69 to 2^70
2017-09-20rmaximusNF
no factor from 2^68 to 2^69
2016-03-09america64NF
no factor from 2^67 to 2^68
2015-09-21NoPolarBearsHereNF
no factor from 2^66 to 2^67
2013-07-12-Anonymous-NF
no factor from 2^65 to 2^66
2011-04-29Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-14sasaki3NF
no factor from 2^63 to 2^64