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
158196173No known factors, not tested for primality
TF
No factors below 278
TF target 278
P-1
B1 = 1377000
B2 = 1498574220
History
DateUserTypeResult
2025-06-15mezonNF
no factor from 2^77 to 2^78
2025-06-02Kyle AskineNF
no factor from 2^76 to 2^77
2024-09-30Luke DurantNF-PM1
B1=1377000, B2=1498574220
2024-08-26SRBaseNF
no factor from 2^75 to 2^76
2023-02-26SRBaseNF
no factor from 2^74 to 2^75
2021-11-20SRBaseNF
no factor from 2^73 to 2^74
2017-11-09Ilya AlexandrovNF
no factor from 2^72 to 2^73
2017-11-07bayanneNF
no factor from 2^71 to 2^72
2017-11-06hpadirNF
no factor from 2^70 to 2^71
2016-09-02La GüiraNF
no factor from 2^69 to 2^70
2016-09-02La GüiraNF
no factor from 2^68 to 2^69
2016-05-11James HintzNF
no factor from 2^67 to 2^68
2015-04-23OS1NF
no factor from 2^66 to 2^67
2013-02-14StargazerNF
no factor from 2^65 to 2^66
2011-01-29dslNF
no factor from 2^64 to 2^65
2010-06-27Torchwood InstituteNF
no factor from 2^63 to 2^64