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
148244333No known factors, not tested for primality
TF
No factors below 277
TF target 277
P-1
B1 = 1237000
B2 = 886974660
History
DateUserTypeResult
2025-03-07takahashiNF
no factor from 2^76 to 2^77
2024-09-06Luke DurantNF-PM1
B1=1237000, B2=886974660
2024-07-27SRBaseNF
no factor from 2^75 to 2^76
2024-05-06GregNF
no factor from 2^69 to 2^70
2023-02-11SRBaseNF
no factor from 2^74 to 2^75
2021-11-12SRBaseNF
no factor from 2^73 to 2^74
2017-09-08David HruskaNF
no factor from 2^72 to 2^73
2017-08-06treborNF
no factor from 2^71 to 2^72
2017-06-11beadleNF
no factor from 2^70 to 2^71
2016-12-14Josh FamestadNF
no factor from 2^69 to 2^70
2016-06-12Mihai PredaNF
no factor from 2^68 to 2^69
2016-04-01DerekNF
no factor from 2^67 to 2^68
2015-03-10PALKOTAMASNF
no factor from 2^66 to 2^67
2013-01-04Mr-PlonkNF
no factor from 2^65 to 2^66
2011-01-05sasaki3NF
no factor from 2^64 to 2^65