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
148362889No known factors, not tested for primality
TF
No factors below 278
TF target 277
P-1
B1 = 821000
B2 = 77945490
History
DateUserTypeResult
2024-10-28Ryan PropperNF-PM1
B1=821000, B2=77945490
2024-10-01Luke DurantNF
no factor from 2^77 to 2^78
2024-08-10k0r3NF
no factor from 2^76 to 2^77
2024-07-29SRBaseNF
no factor from 2^75 to 2^76
2023-02-11SRBaseNF
no factor from 2^74 to 2^75
2021-11-12SRBaseNF
no factor from 2^73 to 2^74
2016-07-22Choi4KANGNF
no factor from 2^72 to 2^73
2016-06-29Choi4KANGNF
no factor from 2^71 to 2^72
2016-06-09Adam BuranNF
no factor from 2^70 to 2^71
2016-06-07DerekNF
no factor from 2^69 to 2^70
2016-06-07DerekNF
no factor from 2^68 to 2^69
2016-04-02DerekNF
no factor from 2^67 to 2^68
2015-03-17aurashiftNF
no factor from 2^66 to 2^67
2013-01-05Mr-PlonkNF
no factor from 2^65 to 2^66
2011-01-07RichardNF
no factor from 2^64 to 2^65