332 338 397 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 2⁸⁰

TF target 2⁸¹

Factored

Factor	Digits	Bits	Date
1196553926692768582047367	25	80.0	2023-04-17 16:53:03

History

Date	User	Type	Result
2025-04-22	DMiddendorp	F	Factor: 1196553926692768582047367 / TF: 79-80
2024-07-15	Grant McCracken	NF	no factor TF: 71-72
2024-04-26	Grant McCracken	NF	no factor TF: 70-71
2024-02-27	Grant McCracken	NF	no factor TF: 68-69
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-04-17	Mark Rose	F	Factor: 1196553926692768582047367 / TF: 79-80*
2022-10-17	Runtime Error	NF	no factor TF: 78-79
2021-05-28	Jon Pace	NF	no factor TF: 77-78
2020-07-31	el grocco	NF	no factor TF: 76-77
2019-12-12	MadPoo 🙂	NF-PM1	B1=100000, B2=1000000
2019-04-30	MadPoo 🙂	NF-PM1	B1=100000
2014-08-09	GoGa	NF	no factor TF: 75-76
2014-04-25	Preben S	NF	no factor TF: 74-75
2014-01-25	Team_Inspector	NF	no factor TF: 73-74
2013-01-19	LaurV	NF	no factor TF: 72-73
2012-09-12	Grant McCracken	NF	no factor TF: 71-72
2011-03-26	Grant McCracken	NF	no factor TF: 70-71
2010-11-13	Sunfish	NF	no factor TF: 69-70
2010-01-12	Grant McCracken	NF	no factor TF: 68-69