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
150420241No known factors, not tested for primality
TF
No factors below 278
TF target 277
P-1
B1 = 779000
B2 = 37626540
History
DateUserTypeResult
2025-06-141997rj7NF
no factor from 2^77 to 2^78
2025-01-17skiminkiNF
no factor from 2^76 to 2^77
2024-09-11Ryan PropperNF-PM1
B1=779000, B2=37626540
2024-07-08La GüiraNF
no factor from 2^75 to 2^76
2017-04-04hktNF
no factor from 2^74 to 2^75
2017-04-04hktNF
no factor from 2^73 to 2^74
2017-04-04hktNF
no factor from 2^72 to 2^73
2017-03-30workerthreadNF
no factor from 2^71 to 2^72
2017-03-23workerthreadNF
no factor from 2^70 to 2^71
2016-12-26Smok_bmv NF
no factor from 2^69 to 2^70
2016-06-20wombatmanNF
no factor from 2^68 to 2^69
2016-04-15James HintzNF
no factor from 2^67 to 2^68
2015-03-20aurashiftNF
no factor from 2^66 to 2^67
2013-01-20RichardNF
no factor from 2^65 to 2^66
2011-01-11LordJuliusNF
no factor from 2^64 to 2^65
2010-06-22Mr-PlonkNF
no factor from 2^63 to 2^64