Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
151800431No known factors, not tested for primality
TF
No factors below 278
TF target 277
P-1
B1 = 1315000
B2 = 1422000360
History
DateUserTypeResult
2025-08-29RichardNF
no factor from 2^77 to 2^78
2025-02-09fre_gamesNF
no factor from 2^76 to 2^77
2024-09-24Luke DurantNF-PM1
B1=1315000, B2=1422000360
2017-11-12Choi4KANGNF
no factor from 2^69 to 2^70
2017-11-05Oliver KruseNF
no factor from 2^69 to 2^76
2016-06-24KishNF
no factor from 2^68 to 2^69
2016-04-21sasaki3NF
no factor from 2^67 to 2^68
2015-03-26ANONYMOUSNF
no factor from 2^66 to 2^67
2013-01-20Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-01-15Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-06-26RichardNF
no factor from 2^63 to 2^64