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
150768307No known factors, not tested for primality
TF
No factors below 278
TF target 277
P-1
B1 = 894000
B2 = 86810220
History
DateUserTypeResult
2025-07-09Yu ZhuNF
no factor from 2^77 to 2^78
2024-11-27Ryan PropperNF-PM1
B1=894000, B2=86810220
2024-10-01zhangstNF
no factor from 2^76 to 2^77
2024-02-25La GüiraNF
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
2018-01-30Choi4KANGNF
no factor from 2^70 to 2^71
2018-01-29Craig JohnsonNF
no factor from 2^72 to 2^73
2018-01-27ZenghuiNF
no factor from 2^71 to 2^72
2018-01-17proxy2222NF
no factor from 2^70 to 2^71
2017-07-28Choi4KANGNF
no factor from 2^69 to 2^70
2016-07-12Josh FamestadNF
no factor from 2^68 to 2^69
2016-04-16NapthusNF
no factor from 2^67 to 2^68
2015-03-20aurashiftNF
no factor from 2^66 to 2^67
2013-01-15OS1NF
no factor from 2^65 to 2^66
2011-01-12oodairaNF
no factor from 2^64 to 2^65
2010-06-22Cedric VonckNF
no factor from 2^63 to 2^64