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
144444197No known factors, not tested for primality
TF
No factors below 278
TF target 277
P-1
B1 = 1271000
B2 = 1481359770
History
DateUserTypeResult
2025-08-29Ryan PropperNF
no factor from 2^77 to 2^78
2025-01-23RichD0NF
no factor from 2^76 to 2^77
2024-10-09Luke DurantNF-PM1
B1=1271000, B2=1481359770
2024-07-17SRBaseNF
no factor from 2^75 to 2^76
2024-06-01James HeinrichNF
no factor from 2^68 to 2^71
2024-06-01Jarod McClintockNF
no factor from 2^68 to 2^71
2023-01-27SRBaseNF
no factor from 2^74 to 2^75
2021-11-12SRBaseNF
no factor from 2^73 to 2^74
2020-10-25SRBaseNF
no factor from 2^72 to 2^73
2016-09-21Ilya AlexandrovNF
no factor from 2^71 to 2^72
2016-09-19ConductorNF
no factor from 2^70 to 2^71
2016-09-19ConductorNF
no factor from 2^69 to 2^70
2016-09-19ConductorNF
no factor from 2^68 to 2^69
2016-09-19weltonNF
no factor from 2^67 to 2^68
2015-03-01nikoszNF
no factor from 2^66 to 2^67
2012-12-19tscNF
no factor from 2^65 to 2^66
2010-12-23sasaki3NF
no factor from 2^64 to 2^65
2010-06-18sasaki3NF
no factor from 2^63 to 2^64