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Math Tutor Solution: The GCF of 18 and 1 is 1
Methods
How to Find the GCF of 18 and 1 by Listing All Common Factors
To get started using this method of finding the Greatest Common Factor of [n] and [m], we should first find and list all the factors of each number. You can see how this is done by looking at the “Factors of” articles that are linked to below.
Let’s take a look at the factors for each of these numbers, 18 and 1:
Factors of 18: 1, 2, 3, 6, 9, 18
Factors of 1: 1
When you compare the two lists of factors, you can see that the only common factor is 1. So, in this case, the GCF of 18 and 1 is 1.
Math Tutor Suggests: Continue Practicing by Finding the GCF of Other Numbers
"Take a look at some of our other walkthroughs, and with the help of your math tutor, you’ll be an expert at finding the GCF of any numbers in no time!"
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