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
143872181No known factors, not tested for primality
TF
No factors below 278
TF target 277
P-1
B1 = 1250000
B2 = 1464137070
History
DateUserTypeResult
2025-06-28JacobZNF
no factor from 2^77 to 2^78
2025-05-25S36049NF
no factor from 2^76 to 2^77
2024-10-07Luke DurantNF-PM1
B1=1250000, B2=1464137070
2024-08-15tbusbyNF
no factor from 2^68 to 2^69
2024-07-17SRBaseNF
no factor from 2^75 to 2^76
2023-02-22SRBaseNF
no factor from 2^74 to 2^75
2021-11-10SRBaseNF
no factor from 2^73 to 2^74
2020-10-27SRBaseNF
no factor from 2^72 to 2^73
2017-02-21ZacariazNF
no factor from 2^71 to 2^72
2017-02-17guruNF
no factor from 2^70 to 2^71
2017-02-15JoDuNF
no factor from 2^69 to 2^70
2016-04-19DerekNF
no factor from 2^68 to 2^69
2016-04-04dbaughNF
no factor from 2^67 to 2^68
2015-02-27aurashiftNF
no factor from 2^66 to 2^67
2013-02-18sasaki3NF
no factor from 2^65 to 2^66
2010-12-24RichardNF
no factor from 2^64 to 2^65
2010-06-18Charles A. MorrisNF
no factor from 2^63 to 2^64