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
259909981Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
152471040142576918530072373.72020-11-17 14:22:47
History
DateUserTypeResult
2020-11-17Ruslan BorisovF
Factor: 15247104014257691853007 / TF: 73-74
2020-11-17Ruslan BorisovNF
no factor from 2^72 to 2^73
2020-07-13SRBaseNF
no factor from 2^71 to 2^72
2020-05-03SRBaseNF
no factor from 2^70 to 2^71
2019-05-07Chabot PrimeNF
no factor from 2^69 to 2^70
2018-06-19Chabot PrimeNF
no factor from 2^68 to 2^69
2016-08-05XZTNF
no factor from 2^67 to 2^68
2015-12-23Jens PedersenNF
no factor from 2^66 to 2^67
2014-05-20firereddNF
no factor from 2^65 to 2^66
2011-08-11RichardNF
no factor from 2^64 to 2^65
2010-03-12kiwiboyNF
no factor from 2^63 to 2^64
2010-03-12kiwiboyNF
no factor from 2^62 to 2^63