Greatest Common Factor (GCF) of 5, 20 and 72
We here at the Fraction Calculator often determine the Greatest Common Factor (GCF) for numbers such as 5, 20 and 72, because we use the GCF to lower the denominators of our fractions.
The Greatest Common Factor of 5, 20 and 72 is the greatest number (factor) that you can evenly divide 5, 20 and 72 by.
To find the Greatest Common Factor of 5, 20 and 72, 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 5, 20 and 72.
The factors of 5 are 1 and 5. The factors of 20 are 1, 2, 4, 5, 10, and 20. The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72. The highest factor they have in common is 1. Therefore, the Greatest Common Factor (GCF) of 5, 20 and 72 is as follows:
GCF(5,20,72) = 1
Greatest Common Factor Calculator
Please enter another two or three numbers below so we can calculate the Greatest Common Factor (GCF) for you:
Greatest Common Factor (GCF) of 5, 20 and 73
Here is the next set of numbers we have calculated the GCF for. Check it out!