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
152872787No known factors, not tested for primality
TF
No factors below 278
TF target 277
P-1
B1 = 1115000
B2 = 386149050
History
DateUserTypeResult
2025-08-040xNF
no factor from 2^77 to 2^78
2025-01-20A CuneoNF-PM1
B1=1115000, B2=386149050
2025-01-07hktNF
no factor from 2^76 to 2^77
2024-08-07SRBaseNF
no factor from 2^75 to 2^76
2023-02-11SRBaseNF
no factor from 2^74 to 2^75
2021-11-14SRBaseNF
no factor from 2^73 to 2^74
2017-05-15glennpatNF
no factor from 2^72 to 2^73
2017-05-13glennpatNF
no factor from 2^71 to 2^72
2017-05-12Brian LechthalerNF
no factor from 2^70 to 2^71
2017-04-26megavinkNF
no factor from 2^69 to 2^70
2017-02-26BrionHNF
no factor from 2^68 to 2^69
2016-04-24James HintzNF
no factor from 2^67 to 2^68
2015-04-01vwflat4NF
no factor from 2^66 to 2^67
2013-01-24sasaki3NF
no factor from 2^65 to 2^66
2011-01-19RichardNF
no factor from 2^64 to 2^65
2010-07-111997rj7NF
no factor from 2^63 to 2^64