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
154959241No known factors, not tested for primality
TF
No factors below 278
TF target 278
P-1
B1 = 903000
B2 = 103633740
History
DateUserTypeResult
2025-07-21ArgentiumNF-PM1
B1=903000, B2=103633740
2025-07-18Cong ShengzhuoNF
no factor from 2^77 to 2^78
2024-12-04Ethan O'ConnorNF
no factor from 2^76 to 2^77
2024-08-12JacobZNF
no factor from 2^75 to 2^76
2023-02-16SRBaseNF
no factor from 2^74 to 2^75
2021-11-17SRBaseNF
no factor from 2^73 to 2^74
2017-11-28hpadirNF
no factor from 2^72 to 2^73
2017-11-27AK76NF
no factor from 2^71 to 2^72
2017-11-27aurashiftNF
no factor from 2^70 to 2^71
2017-03-18La GüiraNF
no factor from 2^69 to 2^70
2017-03-18La GüiraNF
no factor from 2^68 to 2^69
2016-05-02subgeniusNF
no factor from 2^67 to 2^68
2015-04-09rubikvn2100NF
no factor from 2^66 to 2^67
2013-02-01AKAxAutoNF
no factor from 2^65 to 2^66
2011-02-02RichardNF
no factor from 2^64 to 2^65
2010-06-26Torchwood InstituteNF
no factor from 2^63 to 2^64