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
66896021Factored
FactorDigitsBitsDate
189937997870231767195032374.02021-05-31 04:09:48
LL
StatusDateUserResidueShift
Verified (Factored)2013-10-13FCG Primes8B9A2ADEF1551A5037707151
History
DateUserTypeResult
2021-05-31RobertKazanF
Factor: 18993799787023176719503 / TF: 74-75*
2013-10-13FCG PrimesC-LL
8B9A2ADEF1551A50
2013-08-19Scott HemphillNF-PM1
B1=600000, B2=11550000
2013-04-29tomfrNF
no factor from 2^73 to 2^74
2013-04-29tomfrNF
no factor from 2^72 to 2^73
2013-04-29tomfrNF
no factor from 2^71 to 2^72
2013-04-29tomfrNF
no factor from 2^70 to 2^71
2012-02-20-Anonymous-NF
no factor from 2^69 to 2^70
2009-12-26GrunwalderGIMPNF
no factor from 2^68 to 2^69
2009-12-25Sturle SundeNF
no factor from 2^67 to 2^68
2009-12-23Sturle SundeNF
no factor from 2^66 to 2^67
2009-12-14Houd Al-ObaidliNF
no factor from 2^65 to 2^66
2009-12-06curtiscNF
no factor from 2^64 to 2^65
2009-05-261997rj7NF
no factor to 2^64