401 449 999 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 2⁸¹

Factored

Factor	Digits	Bits	Date
68543623529010650208431	23	75.9	2025-02-28 20:31:04

History

Date	User	Type	Result
2025-02-28	NStorm	F	Factor: 68543623529010650208431 / TF: 75-76
2023-11-14	SRBase	NF	no factor TF: 74-75
2022-05-18	SRBase	NF	no factor TF: 73-74
2020-11-14	sasaki	NF	no factor TF: 72-73
2020-08-05	SRBase	NF	no factor TF: 71-72
2020-05-26	sasaki	NF	no factor TF: 70-71
2020-05-25	SRBase	NF	no factor TF: 70-71
2018-07-16	sasaki	NF	no factor TF: 69-70
2017-08-16	sasaki	NF	no factor TF: 68-69
2013-10-23	The Mawn	NF	no factor TF: 66-68
2013-08-07	The Mawn	NF	no factor TF: 65-66