332 332 673 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 =	2406000
B2 =	87126000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2021-07-15	Simon Josefsson	18CE8C20A37FD2FF	209322619	1	3

History

Date	User	Type	Result
2024-02-23	Grant McCracken	NF	no factor TF: 68-69
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-28	Mark Rose	NF	no factor TF: 80-81
2023-03-28	Mark Rose	NF	no factor TF: 79-80
2021-07-16	flaq	CERT	Proof certified good
2021-07-15	Simon Josefsson	C-PRP	Proof Certified Good Proof Power: 7
2021-05-04	Simon Josefsson	NF-PM1	B1=2406000, B2=87126000
2015-11-16	NR	NF	no factor TF: 78-79
2015-11-16	NR	NF	no factor TF: 77-78
2015-11-16	NR	NF	no factor TF: 76-77
2014-09-12	SETIKAH	NF	no factor TF: 75-76
2014-04-22	Preben S	NF	no factor TF: 74-75
2013-12-06	Team_Inspector	NF	no factor TF: 73-74
2013-01-19	LaurV	NF	no factor TF: 72-73
2012-07-31	Team_Inspector	NF	no factor TF: 71-72
2011-05-06	Grant McCracken	NF	no factor TF: 70-71
2011-01-02	Sunfish	NF	no factor TF: 69-70
2009-11-30	Grant McCracken	NF	no factor TF: 68-69