332 196 731 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 =	4880000
B2 =	4880000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2022-07-04	Chelle	71C45B358CBD64E1	112309419	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
2022-08-04	Jan S.	CERT	Proof certified good
2022-07-04	Chelle	C-PRP	Proof Certified Good Proof Power: 8
2019-03-03	Random GPUs	NF	no factor TF: 79-80
2016-05-29	-anonymous-	NF	no factor TF: 78-79
2015-01-17	Team_Inspector	NF	no factor TF: 77-78
2012-11-05	Emil Steen	NF-PM1	B1=4880000
2010-04-25	vats09	NF	no factor TF: 76-77
2010-03-25	vats09	NF	no factor TF: 75-76
2010-01-05	vats09	NF	no factor TF: 74-75
2009-12-29	vats09	NF	no factor TF: 73-74
2008-12-19	Team_Inspector	NF	no factor TF: 72-73
2008-11-22	Team_Inspector	NF	no factor TF: 71-72
2008-11-21	Team_Inspector	NF	no factor TF: 70-71
2008-10-06	Team_Inspector	NF	no factor TF: 69-70
2008-10-06	Team_Inspector	NF	no factor TF: 68-69