332 340 373 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 =	3165000
B2 =	104445000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2021-07-07	Chelle	C3F4E40E5680265C	223342840	1	3

History

Date	User	Type	Result
2024-03-03	Grant McCracken	NF	no factor TF: 68-69
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-29	Mark Rose	NF	no factor TF: 80-81
2023-03-29	Mark Rose	NF	no factor TF: 79-80
2023-01-24	Mark Rose	NF	no factor TF: 78-79
2021-07-08	xor37h	CERT	Proof certified good
2021-07-07	Chelle	C-PRP	Proof Certified Good Proof Power: 8
2021-05-29	Jon Pace	NF	no factor TF: 77-78
2020-07-31	el grocco	NF	no factor TF: 76-77
2020-07-12	Oliver Kruse	NF-PM1	B1=3165000, B2=104445000
2016-04-30	srow7	NF	no factor TF: 75-76
2014-04-26	Preben S	NF	no factor TF: 74-75
2014-01-30	Team_Inspector	NF	no factor TF: 73-74
2013-01-19	LaurV	NF	no factor TF: 72-73
2012-09-24	Grant McCracken	NF	no factor TF: 71-72
2011-03-18	Grant McCracken	NF	no factor TF: 70-71
2010-11-20	Sunfish	NF	no factor TF: 69-70
2010-04-07	Grant McCracken	NF	no factor TF: 68-69