Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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Exponent Range:










MnStatusDetails
156804047No known factors, not tested for primality
TF
No factors below 277
TF target 278
P-1
B1 = 1230000
B2 = 783057450
History
DateUserTypeResult
2025-01-10Walleye24NF
no factor from 2^76 to 2^77
2024-08-16Luke DurantNF-PM1
B1=1230000, B2=783057450
2017-09-17KrieselNF
no factor from 2^75 to 2^76
2017-09-17KrieselNF
no factor from 2^74 to 2^75
2017-09-17KrieselNF
no factor from 2^73 to 2^74
2017-09-17KrieselNF
no factor from 2^72 to 2^73
2017-09-17KrieselNF
no factor from 2^71 to 2^72
2017-09-17KrieselNF
no factor from 2^70 to 2^71
2017-02-01workerthreadNF
no factor from 2^69 to 2^70
2017-01-24Adam BuranNF
no factor from 2^68 to 2^69
2016-06-11volovikNF
no factor from 2^67 to 2^68
2015-04-17Grant McCrackenNF
no factor from 2^66 to 2^67
2013-02-08Chih-Wei HuangNF
no factor from 2^65 to 2^66
2011-01-26runeskNF
no factor from 2^64 to 2^65