400 314 449 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 2⁸⁰

TF target 2⁸¹

History

Date	User	Type	Result
2024-05-27	sasaki	NF	no factor TF: 79-80
2024-05-27	sasaki	NF	no factor TF: 78-79
2024-05-27	sasaki	NF	no factor TF: 77-78
2024-05-27	sasaki	NF	no factor TF: 76-77
2024-05-27	sasaki	NF	no factor TF: 75-76
2023-11-13	SRBase	NF	no factor TF: 74-75
2022-05-18	SRBase	NF	no factor TF: 73-74
2020-10-22	sasaki	NF	no factor TF: 72-73
2020-08-05	SRBase	NF	no factor TF: 71-72
2020-03-05	sasaki	NF	no factor TF: 70-71
2018-07-10	sasaki	NF	no factor TF: 69-70
2017-08-29	BenGees	NF	no factor TF: 68-69
2013-10-23	The Mawn	NF	no factor TF: 66-68
2013-08-05	The Mawn	NF	no factor TF: 65-66