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
151632557No known factors, not tested for primality
TF
No factors below 278
TF target 277
P-1
B1 = 829000
B2 = 38060820
History
DateUserTypeResult
2025-09-01lazybeeNF
no factor from 2^77 to 2^78
2025-02-08DanBNF
no factor from 2^76 to 2^77
2024-09-16Ryan PropperNF-PM1
B1=829000, B2=38060820
2024-08-06SRBaseNF
no factor from 2^75 to 2^76
2023-02-06SRBaseNF
no factor from 2^74 to 2^75
2021-11-13SRBaseNF
no factor from 2^73 to 2^74
2017-06-26ZachHeidenreichNF
no factor from 2^72 to 2^73
2017-01-17Sergey NosovNF
no factor from 2^68 to 2^72
2016-04-20Dave BellNF
no factor from 2^67 to 2^68
2015-03-25Mr-PlonkNF
no factor from 2^66 to 2^67
2013-01-19vapaddyNF
no factor from 2^65 to 2^66
2011-01-15sasaki3NF
no factor from 2^64 to 2^65
2010-06-23Torchwood InstituteNF
no factor from 2^63 to 2^64