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
913619227Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
9872870218721962881832169.72017-12-15 20:14:36
History
DateUserTypeResult
2017-12-15ConductorF
Factor: 987287021872196288183 / TF: 69-70
2017-02-27sasakiNF
no factor from 2^68 to 2^69
2016-07-15ConductorNF
no factor from 2^67 to 2^68
2015-04-18Gordon SpenceNF
no factor from 2^66 to 2^67
2013-05-02ramgeisNF
no factor from 2^65 to 2^66
2011-10-21lindedNF
no factor from 2^64 to 2^65
2010-06-28lindedNF
no factor from 2^63 to 2^64