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
148542061No known factors, not tested for primality
TF
No factors below 277
TF target 277
P-1
B1 = 1280000
B2 = 1310198670
History
DateUserTypeResult
2025-03-02JurzalNF
no factor from 2^76 to 2^77
2024-09-19Luke DurantNF-PM1
B1=1280000, B2=1310198670
2024-07-29SRBaseNF
no factor from 2^75 to 2^76
2024-04-07James HeinrichNF
no factor from 2^69 to 2^70
2023-02-03SRBaseNF
no factor from 2^74 to 2^75
2021-11-12SRBaseNF
no factor from 2^73 to 2^74
2017-06-22EPFNF
no factor from 2^72 to 2^73
2017-06-12albin_pouillesNF
no factor from 2^71 to 2^72
2017-06-09albin_pouillesNF
no factor from 2^70 to 2^71
2016-12-07SADMASTERNF
no factor from 2^69 to 2^70
2016-12-05nate.andersNF
no factor from 2^68 to 2^69
2016-04-03DerekNF
no factor from 2^67 to 2^68
2015-03-11MattNF
no factor from 2^66 to 2^67
2013-01-06HBendtzNF
no factor from 2^65 to 2^66
2011-01-06sasaki3NF
no factor from 2^64 to 2^65