332 265 421 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
672542073595087990690553	24	79.2	2023-01-02 10:13:03

History

Date	User	Type	Result
2025-04-21	DMiddendorp	F	Factor: 672542073595087990690553 / TF: 79-80
2024-07-15	Grant McCracken	NF	no factor TF: 71-72
2024-04-03	Grant McCracken	NF	no factor TF: 70-71
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-01-02	Mark Rose	F	Factor: 672542073595087990690553 / TF: 79-80*
2019-12-11	MadPoo 🙂	NF-PM1	B1=100000, B2=1000000
2019-04-15	MadPoo 🙂	NF-PM1	B1=100000
2013-12-20	Bill Staffen	NF	no factor TF: 78-79
2013-12-19	Bill Staffen	NF	no factor TF: 77-78
2013-10-28	Bill Staffen	NF	no factor TF: 76-77
2013-10-23	Bill Staffen	NF	no factor TF: 75-76
2013-01-11	LaurV	NF	no factor TF: 74-75
2012-03-07	Team_Inspector	NF	no factor TF: 73-74
2011-06-26	Christian Geschwentner	NF	no factor TF: 72-73
2011-06-10	Grant McCracken	NF	no factor TF: 71-72
2011-05-18	Grant McCracken	NF	no factor TF: 70-71
2009-12-01	Team_Inspector	NF	no factor TF: 69-70
2009-06-05	Team_Inspector	NF	no factor TF: 68-69