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
949837907Composite: 5 known prime factors
Factored
FactorDigitsBitsDate
197433307349031444.22008-06-08 06:11:53
115193594885655151372063.32017-01-26 12:26:25
1590403501717385066092167.12021-09-24 13:37:08
16368920612575802269372270.52025-10-22 19:51:34
20184333830531021581512270.82025-10-22 19:51:34
History
DateUserTypeResult
2025-10-22mikrF
Factors: 1636892061257580226937,2018433383053102158151 / TF: 68-71
2022-03-23James HeinrichNF
no factor from 2^64 to 2^67
2021-09-24TJAOIF
Factor: 159040350171738506609 / TF: 67-68
2017-01-26TJAOIF
Factor: 11519359488565515137 / TF: 63-64