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
151840621No known factors, not tested for primality
TF
No factors below 278
TF target 277
P-1
B1 = 925000
B2 = 91567350
History
DateUserTypeResult
2025-08-30theojkNF
no factor from 2^77 to 2^78
2025-02-050xNF
no factor from 2^76 to 2^77
2024-12-07Ryan PropperNF-PM1
B1=925000, B2=91567350
2024-08-03SRBaseNF
no factor from 2^75 to 2^76
2023-02-08SRBaseNF
no factor from 2^74 to 2^75
2021-11-14SRBaseNF
no factor from 2^73 to 2^74
2017-11-12Choi4KANGNF
no factor from 2^69 to 2^70
2017-10-28ITSNF
no factor from 2^72 to 2^73
2017-10-20Will EdgingtonNF
no factor from 2^71 to 2^72
2017-10-20Will EdgingtonNF
no factor from 2^70 to 2^71
2017-10-18La GüiraNF
no factor from 2^69 to 2^70
2016-06-21Adam BuranNF
no factor from 2^68 to 2^69
2016-04-20BJBNF
no factor from 2^67 to 2^68
2015-03-273astNF
no factor from 2^66 to 2^67
2013-01-20Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-01-15James HeinrichNF
no factor from 2^64 to 2^65
2010-06-25garoNF
no factor from 2^63 to 2^64