Greatest Common Factor of 36 and 490
GCF(36, 490) = 2, Greatest common factor of 36 and 490 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 36 and 490. Greatest Common Factor by prime factorization method and Greatest Common Factor by matching factors method.
Greatest Common Factor of 36 and 490 by prime factorization method
We will first find the prime factorization of 36 and 490.
Prime Factorization of 36 is 1, 2, 2, 3, 3 and Prime Factorization of 490 is 1, 2, 5, 7, 7.
- Factorize\( (36) = \) \(1\times 2\times 2\times 3\times 3\)
- Factorize\( (490) = \) \(1\times 2\times 5\times 7\times 7\)
Now we need to find any which are common for each number (1, 2) and multiply these numbers together.
\(GCF(36, 490) = 1\times 2 = 2\).
Greatest Common Factor of 36 and 490 by matching factors method
List of positive integers factors of 36 leaving a remainder zero is 1, 2, 3, 4, 6, 9, 12, 18, 36
List of positive integers factors of 490 leaving a remainder zero is 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490
As you can see, 2 is the greatest and common number that 36 and 490 divides into.
So the greatest common factor 36 and 490 is 2.
\(GCF(36, 490) = 2\).
If you want to learn more about greatest common divisor, take a look at the Wikipedia page.
