Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
151342739No known factors, not tested for primality
TF
No factors below 278
TF target 277
P-1
B1 = 1308000
B2 = 1334938770
History
DateUserTypeResult
2025-09-08Yu ZhuNF
no factor from 2^77 to 2^78
2025-02-13StefanSkuNF
no factor from 2^76 to 2^77
2024-09-21Luke DurantNF-PM1
B1=1308000, B2=1334938770
2024-08-03SRBaseNF
no factor from 2^75 to 2^76
2024-07-29Wentao HuangNF
no factor from 2^68 to 2^69
2023-02-06SRBaseNF
no factor from 2^74 to 2^75
2021-11-14SRBaseNF
no factor from 2^73 to 2^74
2017-06-27Ilya AlexandrovNF
no factor from 2^72 to 2^73
2017-06-25Andrew BNF
no factor from 2^71 to 2^72
2017-06-20ZachHeidenreichNF
no factor from 2^70 to 2^71
2017-06-18Andrew BNF
no factor from 2^69 to 2^70
2016-06-18DerekNF
no factor from 2^68 to 2^69
2016-04-19johnsilverNF
no factor from 2^67 to 2^68
2015-03-23Robert FolzNF
no factor from 2^66 to 2^67
2013-01-21RichardNF
no factor from 2^65 to 2^66
2011-01-14sasaki3NF
no factor from 2^64 to 2^65
2010-06-23Charles A. MorrisNF
no factor from 2^63 to 2^64