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
156904939No known factors, not tested for primality
TF
No factors below 277
TF target 278
P-1
B1 = 820000
B2 = 39442620
History
DateUserTypeResult
2025-01-21SLScoolNF
no factor from 2^76 to 2^77
2025-01-09-Anonymous-NF
no factor from 2^76 to 2^77
2024-09-18Ryan PropperNF-PM1
B1=820000, B2=39442620
2024-08-26SRBaseNF
no factor from 2^75 to 2^76
2023-02-22SRBaseNF
no factor from 2^74 to 2^75
2021-11-17SRBaseNF
no factor from 2^73 to 2^74
2018-03-15RichardNF
no factor from 2^72 to 2^73
2018-03-14RichardNF
no factor from 2^71 to 2^72
2018-03-07proxy2222NF
no factor from 2^70 to 2^71
2014-11-01La GüiraNF
no factor from 2^69 to 2^70
2014-11-01La GüiraNF
no factor from 2^68 to 2^69
2014-11-01La GüiraNF
no factor from 2^66 to 2^68
2013-02-12RichardNF
no factor from 2^65 to 2^66
2011-01-26carlos56NF
no factor from 2^64 to 2^65