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
161190493No known factors, not tested for primality
TF
No factors below 278
TF target 278
P-1
B1 = 1396000
B2 = 1549663830
History
DateUserTypeResult
2025-08-31GregNF
no factor from 2^76 to 2^78
2024-10-08Luke DurantNF-PM1
B1=1396000, B2=1549663830
2024-08-29SRBaseNF
no factor from 2^75 to 2^76
2023-03-01SRBaseNF
no factor from 2^74 to 2^75
2021-11-24SRBaseNF
no factor from 2^73 to 2^74
2018-04-12Choi4KANGNF
no factor from 2^72 to 2^73
2017-10-04mikrNF
no factor from 2^71 to 2^72
2017-10-04mikrNF
no factor from 2^70 to 2^71
2017-02-03La GüiraNF
no factor from 2^69 to 2^70
2017-02-03La GüiraNF
no factor from 2^68 to 2^69
2016-03-16XZTNF
no factor from 2^67 to 2^68
2015-05-06guruNF
no factor from 2^66 to 2^67
2013-02-25HardyP GermanyNF
no factor from 2^65 to 2^66
2011-02-03dslNF
no factor from 2^64 to 2^65
2010-06-30CorranNF
no factor from 2^63 to 2^64