332 255 257 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
3974397308352860404348121	25	81.7	2023-03-05 17:01:50

P-1 factors

Date	Factors	B1	B2
2023-03-05	3974397308352860404348121	2000000	2000000

History

Date	User	Type	Result
2024-07-17	Grant McCracken	NF	no factor TF: 71-72
2024-03-30	Grant McCracken	NF	no factor TF: 70-71
2023-03-05	JacobZ	F-PM1	Factor: 3974397308352860404348121 / B1=2000000
2022-12-23	Mark Rose	NF	no factor TF: 80-81
2022-12-23	Mark Rose	NF	no factor TF: 79-80
2022-03-20	ANONYMOUS	NF	no factor TF: 63-68
2020-08-10	el grocco	NF	no factor TF: 78-79
2020-06-06	Runtime Error	NF	no factor TF: 77-78
2016-06-01	Team_Inspector	NF	no factor TF: 76-77
2014-12-05	Team_Inspector	NF	no factor TF: 75-76
2013-01-09	LaurV	NF	no factor TF: 74-75
2012-01-02	Team_Inspector	NF	no factor TF: 73-74
2011-06-19	Christian Geschwentner	NF	no factor TF: 72-73
2011-05-03	Christian Geschwentner	NF	no factor TF: 71-72
2011-01-03	Team_Inspector	NF	no factor TF: 70-71
2009-05-26	Team_Inspector	NF	no factor TF: 69-70
2009-03-11	Team_Inspector	NF	no factor TF: 68-69
2008-11-27	Team_Inspector	NF	no factor TF: 62-63
2008-11-27	Team_Inspector	NF	no factor TF: 61-62