Greatest Common Factor of 540 and 7755
GCF(540, 7755) = 15, Greatest common factor of 540 and 7755 is 15. 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 540 and 7755. Greatest Common Factor by prime factorization method and Greatest Common Factor by matching factors method.
Greatest Common Factor of 540 and 7755 by prime factorization method
We will first find the prime factorization of 540 and 7755.
Prime Factorization of 540 is 1, 2, 2, 3, 3, 3, 5 and Prime Factorization of 7755 is 1, 3, 5, 11, 47.
- Factorize\( (540) = \) \(1\times 2\times 2\times 3\times 3\times 3\times 5\)
- Factorize\( (7755) = \) \(1\times 3\times 5\times 11\times 47\)
Now we need to find any which are common for each number (1, 3, 5) and multiply these numbers together.
\(GCF(540, 7755) = 1\times 3\times 5 = 15\).
Greatest Common Factor of 540 and 7755 by matching factors method
List of positive integers factors of 540 leaving a remainder zero is 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540
List of positive integers factors of 7755 leaving a remainder zero is 1, 3, 5, 11, 15, 33, 47, 55, 141, 165, 235, 517, 705, 1551, 2585, 7755
As you can see, 15 is the greatest and common number that 540 and 7755 divides into.
So the greatest common factor 540 and 7755 is 15.
\(GCF(540, 7755) = 15\).
If you want to learn more about greatest common divisor, take a look at the Wikipedia page.
