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
149767213No known factors, not tested for primality
TF
No factors below 278
TF target 277
P-1
B1 = 725000
B2 = 26615000
History
DateUserTypeResult
2025-09-18Eli ModnarNF
no factor from 2^77 to 2^78
2025-02-21JacobZNF
no factor from 2^76 to 2^77
2024-11-16Stefan G HoffmannNF-PM1
B1=725000, B2=26615000
2024-08-04minikv116NF
no factor from 2^75 to 2^76
2023-02-06SRBaseNF
no factor from 2^74 to 2^75
2021-11-12SRBaseNF
no factor from 2^73 to 2^74
2017-09-02NoWhereManNF
no factor from 2^72 to 2^73
2017-08-19NoWhereManNF
no factor from 2^71 to 2^72
2017-08-17NoWhereManNF
no factor from 2^70 to 2^71
2016-07-08La GüiraNF
no factor from 2^69 to 2^70
2016-07-08La GüiraNF
no factor from 2^68 to 2^69
2016-03-31DerekNF
no factor from 2^67 to 2^68
2015-03-18MucolNF
no factor from 2^66 to 2^67
2013-01-17Alben WeeksNF
no factor from 2^65 to 2^66
2011-01-11lindedNF
no factor from 2^64 to 2^65