Greatest Common Factor of 924 and 7645
GCF(924, 7645) = 11, Greatest common factor of 924 and 7645 is 11. 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 924 and 7645. Greatest Common Factor by prime factorization method and Greatest Common Factor by matching factors method.
Greatest Common Factor of 924 and 7645 by prime factorization method
We will first find the prime factorization of 924 and 7645.
Prime Factorization of 924 is 1, 2, 2, 3, 7, 11 and Prime Factorization of 7645 is 1, 5, 11, 139.
- Factorize\( (924) = \) \(1\times 2\times 2\times 3\times 7\times 11\)
- Factorize\( (7645) = \) \(1\times 5\times 11\times 139\)
Now we need to find any which are common for each number (1, 11) and multiply these numbers together.
\(GCF(924, 7645) = 1\times 11 = 11\).
Greatest Common Factor of 924 and 7645 by matching factors method
List of positive integers factors of 924 leaving a remainder zero is 1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924
List of positive integers factors of 7645 leaving a remainder zero is 1, 5, 11, 55, 139, 695, 1529, 7645
As you can see, 11 is the greatest and common number that 924 and 7645 divides into.
So the greatest common factor 924 and 7645 is 11.
\(GCF(924, 7645) = 11\).
If you want to learn more about greatest common divisor, take a look at the Wikipedia page.
