332 395 127 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 2⁷⁹

TF target 2⁸¹

Factored

Factor	Digits	Bits	Date
401464788207045560366777	24	78.4	2023-01-17 17:48:02

History

Date	User	Type	Result
2025-04-27	DMiddendorp	F	Factor: 401464788207045560366777 / TF: 78-79
2024-07-15	Grant McCracken	NF	no factor TF: 71-72
2024-05-13	Grant McCracken	NF	no factor TF: 70-71
2024-05-13	Grant McCracken	NF	no factor TF: 69-70
2024-05-13	Grant McCracken	NF	no factor TF: 68-69
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-01-17	Mark Rose	F	Factor: 401464788207045560366777 / TF: 78-79*
2021-06-27	Jon Pace	NF	no factor TF: 77-78
2020-08-04	el grocco	NF	no factor TF: 76-77
2016-05-28	Team_Inspector	NF	no factor TF: 75-76
2015-06-15	srow7	NF	no factor TF: 74-75
2015-06-12	srow7	NF	no factor TF: 73-74
2013-01-24	LaurV	NF	no factor TF: 72-73
2011-05-05	Christian Geschwentner	NF	no factor TF: 71-72
2010-11-14	Grant McCracken	NF	no factor TF: 70-71
2010-06-13	Grant McCracken	NF	no factor TF: 69-70
2009-10-23	Grant McCracken	NF	no factor TF: 68-69