332 196 547 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 =	2900000
B2 =	63075000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2022-09-06	Simon Josefsson	E1A58A7B07CD0E83	90705216	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-12	Mark Rose	NF	no factor TF: 80-81
2022-09-19	Jan S.	CERT	Proof certified good
2022-09-06	Simon Josefsson	C-PRP	E1A58A7B07CD0E83 Proof Certified Good Proof Power: 7
2019-02-16	Random GPUs	NF	no factor TF: 79-80
2013-07-08	Eratosthenes	NF-PM1	B1=2900000, B2=63075000
2011-02-17	amphoria	NF	no factor TF: 78-79
2011-02-17	amphoria	NF	no factor TF: 77-78
2011-02-17	amphoria	NF	no factor TF: 76-77
2011-02-17	amphoria	NF	no factor TF: 75-76
2010-01-06	Sunfish	NF	no factor TF: 74-75
2010-01-01	Sunfish	NF	no factor TF: 73-74
2009-12-29	Sunfish	NF	no factor TF: 72-73
2009-12-28	Team_Inspector	NF	no factor TF: 71-72
2008-12-28	Team_Inspector	NF	no factor TF: 70-71
2008-10-05	Team_Inspector	NF	no factor TF: 69-70
2008-10-05	Team_Inspector	NF	no factor TF: 68-69