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
156679729No known factors, not tested for primality
TF
No factors below 278
TF target 278
P-1
B1 = 780000
B2 = 15015000
History
DateUserTypeResult
2025-10-05CaptainEntropyNF-PM1
B1=780000, B2=15015000, E=12
2025-05-16brian-nebiusNF
no factor from 2^77 to 2^78
2024-10-15makabakaNF
no factor from 2^76 to 2^77
2024-10-12makabakaNF
no factor from 2^76 to 2^77
2024-08-19SRBaseNF
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
2018-04-19Yves de WandelaarNF
no factor from 2^72 to 2^73
2018-04-17el groccoNF
no factor from 2^71 to 2^72
2018-03-20proxy2222NF
no factor from 2^70 to 2^71
2017-11-27La GüiraNF
no factor from 2^69 to 2^70
2017-03-08rmaximusNF
no factor from 2^68 to 2^69
2016-05-06mikeblasNF
no factor from 2^67 to 2^68
2015-04-16MucolNF
no factor from 2^66 to 2^67
2013-02-08Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-01-26sannerud.comNF
no factor from 2^64 to 2^65