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
155051287Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
20725299298536633833992270.82017-09-28 00:29:06
History
DateUserTypeResult
2017-09-28Sergey NosovF
Factor: 2072529929853663383399 / TF: 70-72*
2017-08-01EratosthenesNF
no factor from 2^69 to 2^70
2017-03-04arnieNF
no factor from 2^68 to 2^69
2016-05-04osa16NF
no factor from 2^67 to 2^68
2015-04-09guruNF
no factor from 2^66 to 2^67
2013-02-02sasaki3NF
no factor from 2^65 to 2^66
2011-01-22debrouxlNF
no factor from 2^64 to 2^65
2010-06-26carlos56NF
no factor from 2^63 to 2^64