332 350 171 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 2⁸¹

TF target 2⁸¹

Factored

Factor	Digits	Bits	Date
2398249305216304764322463	25	81.0	2023-11-27 13:40:01

History

Date	User	Type	Result
2025-06-23	Greg	F	Factor: 2398249305216304764322463 / TF: 80-81
2024-07-17	Grant McCracken	NF	no factor TF: 71-72
2024-05-05	Greg	NF	no factor TF: 78-79
2024-04-26	Grant McCracken	NF	no factor TF: 70-71
2023-11-27	Architects Cubed	F	Factor: 2398249305216304764322463 / TF: 80-81*
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-06-02	Architects Cubed	NF	no factor TF: 79-80
2023-04-30	Architects Cubed	NF	no factor TF: 78-79
2021-06-02	Jon Pace	NF	no factor TF: 77-78
2020-07-31	el grocco	NF	no factor TF: 76-77
2019-12-04	MadPoo 🙂	NF-PM1	B1=100000, B2=1000000
2019-05-06	MadPoo 🙂	NF-PM1	B1=100000
2016-05-04	srow7	NF	no factor TF: 75-76
2014-05-05	Preben S	NF	no factor TF: 74-75
2013-03-02	firejuggler	NF	no factor TF: 73-74
2013-01-21	LaurV	NF	no factor TF: 72-73
2012-10-27	Grant McCracken	NF	no factor TF: 71-72
2011-03-02	Grant McCracken	NF	no factor TF: 70-71
2011-01-08	Sunfish	NF	no factor TF: 69-70
2010-04-19	Sunfish	NF	no factor TF: 68-69

Username
Password