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
163828153No known factors, not tested for primality
TF
No factors below 276
TF target 278
P-1
B1 = 992000
B2 = 94889718
History
DateUserTypeResult
2024-09-29Ryan PropperNF-PM1
B1=992000, B2=94889718
2024-09-10SRBaseNF
no factor from 2^75 to 2^76
2023-03-06SRBaseNF
no factor from 2^74 to 2^75
2021-12-03SRBaseNF
no factor from 2^73 to 2^74
2019-02-02Oliver KruseNF
no factor from 2^72 to 2^73
2018-12-26DerekNF
no factor from 2^71 to 2^72
2018-12-12proxy2222NF
no factor from 2^70 to 2^71
2016-05-10La GüiraNF
no factor from 2^69 to 2^70
2016-05-10La GüiraNF
no factor from 2^68 to 2^69
2016-04-02caddrNF
no factor from 2^67 to 2^68
2015-05-18tscNF
no factor from 2^66 to 2^67
2013-03-07tscNF
no factor from 2^65 to 2^66
2011-02-07runeskNF
no factor from 2^64 to 2^65
2010-07-05RichardNF
no factor from 2^63 to 2^64