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
855015383Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
18863660565809500690092270.72019-01-25 12:12:39
History
DateUserTypeResult
2025-03-11James HeinrichF
Factor: 1886366056580950069009 / TF: 70-71
2019-01-25Smok_bmv F
Factor: 1886366056580950069009 / TF: 70-71*
2016-12-17ramgeisNF
no factor from 2^68 to 2^70
2015-08-31sasakiNF
no factor from 2^67 to 2^68
2015-03-02sasakiNF
no factor from 2^66 to 2^67
2013-08-11america64NF
no factor from 2^65 to 2^66
2010-09-28Architects CubedNF
no factor from 2^64 to 2^65
2010-04-13Architects CubedNF
no factor from 2^63 to 2^64