332 244 257 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 =	5305000
B2 =	5305000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2022-04-03	Simon Josefsson	D58FCF70E6699B52	282554196	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-19	Mark Rose	NF	no factor TF: 80-81
2023-03-19	Mark Rose	NF	no factor TF: 79-80
2022-04-18	Oliver Kruse	CERT	Proof certified good
2022-04-03	Simon Josefsson	C-PRP	D58FCF70E6699B52 Proof Certified Good Proof Power: 7
2020-08-09	el grocco	NF	no factor TF: 78-79
2020-05-18	Team_Inspector	NF	no factor TF: 77-78
2012-07-18	SETIKAH	NF	no factor TF: 76-77
2012-05-16	SETIKAH	NF-PM1	B1=5305000
2011-07-11	SETIKAH	NF	no factor TF: 75-76
2011-06-07	SETIKAH	NF	no factor TF: 74-75
2011-05-20	SETIKAH	NF	no factor TF: 73-74
2011-05-07	Team_Inspector	NF	no factor TF: 72-73
2011-05-03	Christian Geschwentner	NF	no factor TF: 71-72
2009-06-18	sevaho	NF	no factor TF: 70-71
2009-06-15	Team_Inspector	NF	no factor TF: 69-70
2009-02-10	Team_Inspector	NF	no factor TF: 68-69