438 999 971 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: 1 known prime factor

Trial Factored to 2⁷⁶

TF target 2⁸²

Factored

Factor	Digits	Bits	Date
49706265990669826627343	23	75.4	2025-03-14 12:58:59

History

Date	User	Type	Result
2025-03-14	NStorm	F	Factor: 49706265990669826627343 / TF: 75-76
2023-12-04	SRBase	NF	no factor TF: 74-75
2022-05-27	SRBase	NF	no factor TF: 73-74
2021-02-15	SRBase	NF	no factor TF: 72-73
2020-08-12	SRBase	NF	no factor TF: 71-72
2020-05-28	lobsterfordinner	NF	no factor TF: 70-71
2018-10-24	Niels_Mache_Nextcloud	NF	no factor TF: 69-70
2018-10-03	Niels_Mache_Nextcloud	NF	no factor TF: 69-70
2018-01-17	sasaki	NF	no factor TF: 68-69
2016-01-13	sasaki	NF	no factor TF: 66-68
2014-08-23	Richard	NF	no factor TF: 65-66