332 268 197 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
622248436573570237507753	24	79.0	2023-01-04 06:51:03

History

Date	User	Type	Result
2025-04-21	DMiddendorp	F	Factor: 622248436573570237507753 / TF: 79-80
2024-07-15	Grant McCracken	NF	no factor TF: 71-72
2024-04-05	Grant McCracken	NF	no factor TF: 70-71
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-01-04	Mark Rose	F	Factor: 622248436573570237507753 / TF: 79-80*
2020-08-23	el grocco	NF	no factor TF: 78-79
2020-07-06	Team_Inspector	NF	no factor TF: 77-78
2019-11-15	MadPoo 🙂	NF-PM1	B1=100000, B2=1000000
2019-05-02	MadPoo 🙂	NF-PM1	B1=100000
2014-06-07	Team_Inspector	NF	no factor TF: 76-77
2013-12-28	Team_Inspector	NF	no factor TF: 75-76
2013-01-11	LaurV	NF	no factor TF: 74-75
2012-05-10	Team_Inspector	NF	no factor TF: 73-74
2011-06-26	Christian Geschwentner	NF	no factor TF: 72-73
2011-05-31	Grant McCracken	NF	no factor TF: 71-72
2011-04-21	Grant McCracken	NF	no factor TF: 70-71
2009-12-17	Team_Inspector	NF	no factor TF: 69-70
2009-07-03	Sunfish	NF	no factor TF: 68-69