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
159948227No known factors, not tested for primality
TF
No factors below 278
TF target 278
History
DateUserTypeResult
2025-07-30GregNF
no factor from 2^77 to 2^78
2025-07-09GregNF
no factor from 2^76 to 2^77
2024-08-14JacobZNF
no factor from 2^75 to 2^76
2024-05-22Naegi MakotoNF
no factor from 2^69 to 2^70
2023-03-01SRBaseNF
no factor from 2^74 to 2^75
2021-11-24SRBaseNF
no factor from 2^73 to 2^74
2018-11-18RichardNF
no factor from 2^72 to 2^73
2018-10-24proxy2222NF
no factor from 2^71 to 2^72
2017-11-22David K BrittNF
no factor from 2^70 to 2^71
2017-11-09Dominik RadlerNF
no factor from 2^69 to 2^70
2017-03-20arnieNF
no factor from 2^68 to 2^69
2016-05-19Mr-PlonkNF
no factor from 2^67 to 2^68
2015-05-01adolficoNF
no factor from 2^66 to 2^67
2013-02-20HBendtzNF
no factor from 2^65 to 2^66
2011-02-01UngelovendeNF
no factor from 2^64 to 2^65