332 311 489 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 =	2321000
B2 =	71595000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2022-12-27	Simon Josefsson	FC49DA54FF1651F3	322641735	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-22	Mark Rose	NF	no factor TF: 80-81
2023-03-22	Mark Rose	NF	no factor TF: 79-80
2023-01-06	Kriesel	CERT	Proof certified good
2022-12-27	Simon Josefsson	C-PRP	FC49DA54FF1651F3 Proof Certified Good Proof Power: 7
2020-10-08	Steve Sybesma	NF-PM1	B1=2321000, B2=71595000
2020-09-19	LOBES	NF	no factor TF: 78-79
2020-09-19	LOBES	NF	no factor TF: 77-78
2020-08-01	Andrew B	NF	no factor TF: 76-77
2015-11-07	Team_Inspector	NF	no factor TF: 75-76
2013-09-14	Luca	NF	no factor TF: 74-75
2013-08-06	Team_Inspector	NF	no factor TF: 73-74
2013-01-15	LaurV	NF	no factor TF: 72-73
2012-02-27	Grant McCracken	NF	no factor TF: 71-72
2011-06-22	Grant McCracken	NF	no factor TF: 70-71
2010-06-02	Sunfish	NF	no factor TF: 69-70
2009-08-14	Team_Inspector	NF	no factor TF: 68-69