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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
198229201Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
49206488670906271286092272.12019-05-18 10:00:09
History
DateUserTypeResult
2019-05-18Samuel SchmidtF
Factor: 4920648867090627128609 / TF: 72-73
2019-05-15arnaudNF
no factor from 2^71 to 2^72
2019-02-15Niels_Mache_NextcloudNF
no factor from 2^70 to 2^71
2018-12-24Chabot PrimeNF
no factor from 2^69 to 2^70
2017-09-09Bill_CoxNF
no factor from 2^68 to 2^69
2016-08-13XZTNF
no factor from 2^67 to 2^68
2015-09-19beyondNF
no factor from 2^66 to 2^67
2013-07-04Mr-PlonkNF
no factor from 2^65 to 2^66
2011-04-26laleraNF
no factor from 2^64 to 2^65
2010-09-201997rj7NF
no factor from 2^63 to 2^64