332 224 447 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with PRP test

No factors below 2⁸¹

TF target 2⁸¹

P-1

B1 =	2960000
B2 =	54020000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2025-01-27	Simon Josefsson	564D70160F2D5949	40578270	1	3

History

Date	User	Type	Result
2025-01-29	Kriesel	CERT	Proof certified good
2025-01-27	Simon Josefsson	C-PRP	564D70160F2D5949 Proof Certified Good Proof Power: 7
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-07-07	Architects Cubed	NF	no factor TF: 80-81
2020-08-05	el grocco	NF	no factor TF: 79-80
2020-08-05	el grocco	NF	no factor TF: 78-79
2015-09-04	Mark Coccimiglio	NF-PM1	B1=2960000, B2=54020000
2015-08-25	NR	NF	no factor TF: 77-78
2015-08-25	NR	NF	no factor TF: 76-77
2011-04-12	Sebastian Hornbostel	NF	no factor TF: 75-76
2011-04-06	Christian Geschwentner	NF	no factor TF: 74-75
2010-12-20	Team_Inspector	NF	no factor TF: 73-74
2010-05-31	Grant McCracken	NF	no factor TF: 72-73
2009-11-27	Team_Inspector	NF	no factor TF: 71-72
2009-11-26	Team_Inspector	NF	no factor TF: 70-71
2009-03-08	Team_Inspector	NF	no factor TF: 69-70
2008-12-21	Team_Inspector	NF	no factor TF: 68-69