332 251 219 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 =	2860000
B2 =	75075000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2022-07-02	Simon Josefsson	EAC648670844F476	5362402	1	3

History

Date	User	Type	Result
2024-05-06	James Heinrich	NF	no factor TF: 69-70
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
2022-08-04	Jan S.	CERT	Proof certified good
2022-07-02	Simon Josefsson	C-PRP	EAC648670844F476 Proof Certified Good Proof Power: 7
2017-02-26	aurashift	NF-PM1	B1=2860000, B2=75075000, E=12
2011-05-28	TheJudger	NF	no factor TF: 78-79
2011-05-28	TheJudger	NF	no factor TF: 77-78
2011-05-28	TheJudger	NF	no factor TF: 76-77
2011-05-28	TheJudger	NF	no factor TF: 74-75
2011-05-28	TheJudger	NF	no factor TF: 75-76
2011-05-28	TheJudger	NF	no factor TF: 73-74
2011-05-28	TheJudger	NF	no factor TF: 72-73
2011-04-28	Christian Geschwentner	NF	no factor TF: 71-72
2010-11-23	Team_Inspector	NF	no factor TF: 70-71
2009-09-16	Architects Cubed	NF	no factor TF: 69-70
2009-03-02	Team_Inspector	NF	no factor TF: 68-69