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
151558643Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
66011622713799439042812272.52016-12-25 11:10:19
History
DateUserTypeResult
2016-12-25d3zorgF
Factor: 6601162271379943904281 / TF: 72-73
2016-12-24guruNF
no factor from 2^71 to 2^72
2016-12-23guruNF
no factor from 2^70 to 2^71
2016-12-23guruNF
no factor from 2^69 to 2^70
2016-12-23guruNF
no factor from 2^68 to 2^69
2016-04-19SummyNF
no factor from 2^67 to 2^68
2015-04-03RichardNF
no factor from 2^66 to 2^67
2013-01-19561NF
no factor from 2^65 to 2^66
2011-01-15Jud McCranieNF
no factor from 2^64 to 2^65
2010-06-23Charles A. MorrisNF
no factor from 2^63 to 2^64