328 896 131 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

No known factors, not tested for primality

No factors below 2⁷⁶

TF target 2⁸¹

History

Date	User	Type	Result
2024-12-03	James Heinrich	NF	no factor TF: 75-76
2024-08-01	James Heinrich	NF	no factor TF: 75-76
2023-09-24	SRBase	NF	no factor TF: 74-75
2022-04-03	SRBase	NF	no factor TF: 73-74
2021-03-16	SRBase	NF	no factor TF: 72-73
2020-07-30	SRBase	NF	no factor TF: 71-72
2020-05-20	SRBase	NF	no factor TF: 70-71
2019-03-03	Niels_Mache_Nextcloud	NF	no factor TF: 69-70
2018-08-21	Chabot Prime	NF	no factor TF: 68-69
2016-05-22	monst	NF	no factor TF: 66-68
2014-02-10	Richard	NF	no factor TF: 65-66
2011-11-16	OS1	NF	no factor TF: 64-65

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