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
157323923No known factors, not tested for primality
TF
No factors below 278
TF target 278
P-1
B1 = 1354000
B2 = 1338724530
History
DateUserTypeResult
2025-06-18ElectricBillNF
no factor from 2^77 to 2^78
2025-01-20La GüiraNF
no factor from 2^76 to 2^77
2024-09-29Luke DurantNF-PM1
B1=1354000, B2=1338724530
2024-08-19SRBaseNF
no factor from 2^75 to 2^76
2024-05-06GregNF
no factor from 2^68 to 2^69
2023-02-22SRBaseNF
no factor from 2^74 to 2^75
2021-11-29SRBaseNF
no factor from 2^73 to 2^74
2018-02-22David HruskaNF
no factor from 2^72 to 2^73
2017-12-17David HruskaNF
no factor from 2^71 to 2^72
2017-11-05David HruskaNF
no factor from 2^70 to 2^71
2017-02-10Adam BuranNF
no factor from 2^69 to 2^70
2016-07-27Josh FamestadNF
no factor from 2^68 to 2^69
2016-05-16sm21NF
no factor from 2^67 to 2^68
2015-04-22guruNF
no factor from 2^66 to 2^67
2013-02-10sasaki3NF
no factor from 2^65 to 2^66
2011-01-27dslNF
no factor from 2^64 to 2^65
2010-06-27Mr-PlonkNF
no factor from 2^63 to 2^64