Greatest Common Factor of 920 and 2783

GCF(920, 2783) = 23, Greatest common factor of 920 and 2783 is 23. 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 920 and 2783. Greatest Common Factor by prime factorization method and Greatest Common Factor by matching factors method.

Greatest Common Factor of 920 and 2783 by prime factorization method

We will first find the prime factorization of 920 and 2783.
Prime Factorization of 920 is 1, 2, 2, 2, 5, 23 and Prime Factorization of 2783 is 1, 11, 11, 23.

  • Factorize\( (920) = \) \(1\times 2\times 2\times 2\times 5\times 23\)
  • Factorize\( (2783) = \) \(1\times 11\times 11\times 23\)
Now we need to find any which are common for each number (1, 23) and multiply these numbers together.
\(GCF(920, 2783) = 1\times 23 = 23\).

Greatest Common Factor of 920 and 2783 by matching factors method

List of positive integers factors of 920 leaving a remainder zero is 1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920
List of positive integers factors of 2783 leaving a remainder zero is 1, 11, 23, 121, 253, 2783
As you can see, 23 is the greatest and common number that 920 and 2783 divides into.
So the greatest common factor 920 and 2783 is 23.
\(GCF(920, 2783) = 23\).

If you want to learn more about greatest common divisor, take a look at the Wikipedia page.
Greatest common factor of:
 ,