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
171585277No known factors, not tested for primality
TF
No factors below 276
TF target 278
History
DateUserTypeResult
2024-09-19SRBaseNF
no factor from 2^75 to 2^76
2023-03-18SRBaseNF
no factor from 2^74 to 2^75
2021-12-21SRBaseNF
no factor from 2^73 to 2^74
2018-10-08Ant&RocksNF
no factor from 2^72 to 2^73
2018-04-17ZenghuiNF
no factor from 2^71 to 2^72
2018-04-06ZenghuiNF
no factor from 2^70 to 2^71
2018-03-09ZenghuiNF
no factor from 2^69 to 2^70
2017-06-13proxy2222NF
no factor from 2^68 to 2^69
2016-04-22XZTNF
no factor from 2^67 to 2^68
2015-06-18James HintzNF
no factor from 2^66 to 2^67
2013-04-02gucsNF
no factor from 2^65 to 2^66
2011-02-25tscNF
no factor from 2^64 to 2^65
2010-07-11Charles A. MorrisNF
no factor from 2^63 to 2^64