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
158168359No known factors, not tested for primality
TF
No factors below 278
TF target 278
P-1
B1 = 955000
B2 = 91893186
History
DateUserTypeResult
2025-06-15RichardNF
no factor from 2^77 to 2^78
2025-05-31Kyle AskineNF
no factor from 2^76 to 2^77
2024-10-06Ryan PropperNF-PM1
B1=955000, B2=91893186
2024-08-22SRBaseNF
no factor from 2^75 to 2^76
2023-02-26SRBaseNF
no factor from 2^74 to 2^75
2021-11-21SRBaseNF
no factor from 2^73 to 2^74
2018-05-14eziocmNF
no factor from 2^72 to 2^73
2017-11-13Oliver KruseNF
no factor from 2^71 to 2^72
2017-11-10Hanzhi ZhouNF
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
2016-05-12ANONYMOUSNF
no factor from 2^67 to 2^68
2015-04-23tscNF
no factor from 2^66 to 2^67
2013-02-13sasaki3NF
no factor from 2^65 to 2^66
2011-01-29Mr-PlonkNF
no factor from 2^64 to 2^65
2010-06-27Charles A. MorrisNF
no factor from 2^63 to 2^64