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
181251701No known factors, not tested for primality
TF
No factors below 276
TF target 278
P-1
B1 = 1537000
B2 = 1440427560
History
DateUserTypeResult
2024-09-30Luke DurantNF-PM1
B1=1537000, B2=1440427560
2024-09-22tscNF
no factor from 2^75 to 2^76
2023-04-02SRBaseNF
no factor from 2^74 to 2^75
2022-01-06SRBaseNF
no factor from 2^73 to 2^74
2018-05-11SRS TechnologyNF
no factor from 2^72 to 2^73
2018-05-11SRS TechnologyNF
no factor from 2^71 to 2^72
2018-04-16hpadirNF
no factor from 2^70 to 2^71
2018-04-06ZenghuiNF
no factor from 2^69 to 2^70
2017-07-09Math_is_pureNF
no factor from 2^68 to 2^69
2016-07-05tmorrowNF
no factor from 2^67 to 2^68
2015-07-27tscNF
no factor from 2^66 to 2^67
2013-05-09RichardNF
no factor from 2^65 to 2^66
2011-03-21-Anonymous-NF
no factor from 2^64 to 2^65
2010-07-23Torchwood InstituteNF
no factor from 2^63 to 2^64