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
151306553No known factors, not tested for primality
TF
No factors below 278
TF target 277
P-1
B1 = 1024000
B2 = 30307200
History
DateUserTypeResult
2025-09-11daveward2005NF
no factor from 2^77 to 2^78
2025-02-25bayanneNF-PM1
B1=1024000, B2=30307200
2025-01-07Architects CubedNF
no factor from 2^76 to 2^77
2024-08-03SRBaseNF
no factor from 2^75 to 2^76
2024-05-06GregNF
no factor from 2^68 to 2^69
2023-02-11SRBaseNF
no factor from 2^74 to 2^75
2021-11-14SRBaseNF
no factor from 2^73 to 2^74
2018-01-16ITSNF
no factor from 2^72 to 2^73
2017-07-31Sergey NosovNF
no factor from 2^69 to 2^72
2016-07-20Josh FamestadNF
no factor from 2^68 to 2^69
2016-04-18johnsilverNF
no factor from 2^67 to 2^68
2015-03-23Mr-PlonkNF
no factor from 2^66 to 2^67
2013-01-18tscNF
no factor from 2^65 to 2^66
2011-01-14sasaki3NF
no factor from 2^64 to 2^65
2010-06-23sasaki3NF
no factor from 2^63 to 2^64