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
151953211No known factors, not tested for primality
TF
No factors below 278
TF target 277
P-1
B1 = 1304000
B2 = 1267226070
History
DateUserTypeResult
2025-08-250xNF
no factor from 2^77 to 2^78
2025-02-03RichardNF
no factor from 2^76 to 2^77
2024-09-20Luke DurantNF-PM1
B1=1304000, B2=1267226070
2024-08-06SRBaseNF
no factor from 2^75 to 2^76
2023-02-08SRBaseNF
no factor from 2^74 to 2^75
2021-11-29SRBaseNF
no factor from 2^73 to 2^74
2016-11-16Adam BuranNF
no factor from 2^72 to 2^73
2016-07-04Adam BuranNF
no factor from 2^71 to 2^72
2016-07-04Adam BuranNF
no factor from 2^70 to 2^71
2016-07-04Adam BuranNF
no factor from 2^69 to 2^70
2016-07-04Adam BuranNF
no factor from 2^68 to 2^69
2016-04-23macauleyNF
no factor from 2^67 to 2^68
2015-03-31Grant McCrackenNF
no factor from 2^66 to 2^67
2013-01-20sasaki3NF
no factor from 2^65 to 2^66
2011-01-15Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-06-24Charles A. MorrisNF
no factor from 2^63 to 2^64