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Math Tutor Solution: The GCF of 1 and 28 is 1
Methods
How to Find the GCF of 1 and 28 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, 1 and 28:
Factors of 1: 1
Factors of 28: 1, 2, 4, 7, 14, 28
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 1 and 28 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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