Greatest Common Factor of 212 and 689
GCF(212, 689) = 53, Greatest common factor of 212 and 689 is 53. 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 212 and 689. Greatest Common Factor by prime factorization method and Greatest Common Factor by matching factors method.
Greatest Common Factor of 212 and 689 by prime factorization method
We will first find the prime factorization of 212 and 689.
Prime Factorization of 212 is 1, 2, 2, 53 and Prime Factorization of 689 is 1, 13, 53.
- Factorize\( (212) = \) \(1\times 2\times 2\times 53\)
- Factorize\( (689) = \) \(1\times 13\times 53\)
Now we need to find any which are common for each number (1, 53) and multiply these numbers together.
\(GCF(212, 689) = 1\times 53 = 53\).
Greatest Common Factor of 212 and 689 by matching factors method
List of positive integers factors of 212 leaving a remainder zero is 1, 2, 4, 53, 106, 212
List of positive integers factors of 689 leaving a remainder zero is 1, 13, 53, 689
As you can see, 53 is the greatest and common number that 212 and 689 divides into.
So the greatest common factor 212 and 689 is 53.
\(GCF(212, 689) = 53\).
If you want to learn more about greatest common divisor, take a look at the Wikipedia page.