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
193240451Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
122866207032951605533992373.42019-03-01 03:28:47
History
DateUserTypeResult
2025-05-11Jarod McClintockF
Factor: 12286620703295160553399 / TF: 73-74
2019-03-01Smok_bmv F
Factor: 12286620703295160553399 / TF: 73-74*
2019-02-14lobsterfordinnerNF
no factor from 2^72 to 2^73
2017-01-06Choi4KANGNF
no factor from 2^71 to 2^72
2016-12-03airbreatherNF
no factor from 2^70 to 2^71
2016-12-02arnaudNF
no factor from 2^69 to 2^70
2016-11-26Adam BuranNF
no factor from 2^68 to 2^69
2016-08-04GeorgianaNF
no factor from 2^67 to 2^68
2015-09-05tscNF
no factor from 2^66 to 2^67
2013-06-15OS1NF
no factor from 2^65 to 2^66
2011-04-16Sergej LevinNF
no factor from 2^64 to 2^65
2010-08-04MarzbugNF
no factor from 2^63 to 2^64