332 227 517 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 =	4880000
B2 =	4880000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2022-01-13	Simon Josefsson	1BEAE1C3B9DEED83	329771215	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-16	Mark Rose	NF	no factor TF: 80-81
2023-03-16	Mark Rose	NF	no factor TF: 79-80
2022-02-02	Jan S.	CERT	Proof certified good
2022-01-13	Simon Josefsson	C-PRP	1BEAE1C3B9DEED83 Proof Certified Good Proof Power: 7
2020-08-05	el grocco	NF	no factor TF: 78-79
2016-07-30	Grant McCracken	NF	no factor TF: 77-78
2012-01-25	ANONYMOUS	NF-PM1	B1=4880000
2010-08-28	amphoria	NF	no factor TF: 76-77
2010-08-28	amphoria	NF	no factor TF: 75-76
2010-08-28	amphoria	NF	no factor TF: 74-75
2010-08-28	amphoria	NF	no factor TF: 73-74
2010-08-28	amphoria	NF	no factor TF: 72-73
2010-08-28	amphoria	NF	no factor TF: 71-72
2010-03-05	Team_Inspector	NF	no factor TF: 70-71
2009-09-05	Team_Inspector	NF	no factor TF: 69-70
2008-12-30	Team_Inspector	NF	no factor TF: 68-69