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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
195558841Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21275173983118073032812270.82015-09-14 14:55:13
History
DateUserTypeResult
2015-09-14demfloroF
Factor: 2127517398311807303281 / TF: 70-71
2015-09-14demfloroNF
no factor from 2^69 to 2^70
2015-09-14demfloroNF
no factor from 2^68 to 2^69
2015-09-14demfloroNF
no factor from 2^66 to 2^68
2013-06-27Massimo Cappelli (ik5pwa)NF
no factor from 2^65 to 2^66
2011-04-25carlos56NF
no factor from 2^64 to 2^65
2010-08-06Architects CubedNF
no factor from 2^63 to 2^64