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
164378479No known factors, not tested for primality
TF
No factors below 276
TF target 278
P-1
B1 = 850000
B2 = 40220250
History
DateUserTypeResult
2024-09-19Ryan PropperNF-PM1
B1=850000, B2=40220250
2024-09-05SRBaseNF
no factor from 2^75 to 2^76
2023-03-09SRBaseNF
no factor from 2^74 to 2^75
2021-12-05SRBaseNF
no factor from 2^73 to 2^74
2018-02-06ZenghuiNF
no factor from 2^72 to 2^73
2018-02-02arnaudNF
no factor from 2^71 to 2^72
2018-02-01ZenghuiNF
no factor from 2^70 to 2^71
2018-01-29La GüiraNF
no factor from 2^69 to 2^70
2017-04-12rubikvn2100NF
no factor from 2^68 to 2^69
2016-05-25ANONYMOUSNF
no factor from 2^67 to 2^68
2015-05-20kevshawNF
no factor from 2^66 to 2^67
2013-03-09-Anonymous-NF
no factor from 2^65 to 2^66
2011-02-09csabaNF
no factor from 2^64 to 2^65
2010-07-03jonthomsonNF
no factor from 2^63 to 2^64