Greatest Common Factor of 216 and 4690
GCF(216, 4690) = 2, Greatest common factor of 216 and 4690 is 2. Greatest Common Factor or Greatest Common Divisor of two numbers is the largest integer by which both the numbers can be divided. There are two different methods to calculate Greatest Common Factor of 216 and 4690. Greatest Common Factor by prime factorization method and Greatest Common Factor by matching factors method.
Greatest Common Factor of 216 and 4690 by prime factorization method
We will first find the prime factorization of 216 and 4690.
Prime Factorization of 216 is 1, 2, 2, 2, 3, 3, 3 and Prime Factorization of 4690 is 1, 2, 5, 7, 67.
- Factorize\( (216) = \) \(1\times 2\times 2\times 2\times 3\times 3\times 3\)
- Factorize\( (4690) = \) \(1\times 2\times 5\times 7\times 67\)
Now we need to find any which are common for each number (1, 2) and multiply these numbers together.
\(GCF(216, 4690) = 1\times 2 = 2\).
Greatest Common Factor of 216 and 4690 by matching factors method
List of positive integers factors of 216 leaving a remainder zero is 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216
List of positive integers factors of 4690 leaving a remainder zero is 1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4690
As you can see, 2 is the greatest and common number that 216 and 4690 divides into.
So the greatest common factor 216 and 4690 is 2.
\(GCF(216, 4690) = 2\).
If you want to learn more about greatest common divisor, take a look at the Wikipedia page.