Greatest Common Factor (GCF) of 13 and 2

We here at the Fraction Calculator often determine the Greatest Common Factor (GCF) for numbers such as 13 and 2, because we use the GCF to lower the denominators of our fractions.
The Greatest Common Factor of 13 and 2 is the greatest number (factor) that you can evenly divide both 13 and 2 by.
To find the Greatest Common Factor of 13 and 2, we first have to identify all the factors of each number. Then we see which factors they have in common, and finally we pick the largest number they have in common, which is the Greatest Common Factor (GCF) of 13 and 2.
The factors of 13 are 1 and 13. The factors of 2 are 1 and 2. The highest factor they have in common is 1. Therefore, the Greatest Common Factor (GCF) of 13 and 2 is as follows:
GCF(13,2) = 1
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Please enter another two or three numbers below so we can calculate the Greatest Common Factor (GCF) for you:
Greatest Common Factor (GCF) of 13 and 3
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