Greatest Common Factor of 176 and 198

GCF(176, 198) = 22, Greatest common factor of 176 and 198 is 22. 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 176 and 198. Greatest Common Factor by prime factorization method and Greatest Common Factor by matching factors method.

Greatest Common Factor of 176 and 198 by prime factorization method

We will first find the prime factorization of 176 and 198.
Prime Factorization of 176 is 1, 2, 2, 2, 2, 11 and Prime Factorization of 198 is 1, 2, 3, 3, 11.

  • Factorize\( (176) = \) \(1\times 2\times 2\times 2\times 2\times 11\)
  • Factorize\( (198) = \) \(1\times 2\times 3\times 3\times 11\)
Now we need to find any which are common for each number (1, 2, 11) and multiply these numbers together.
\(GCF(176, 198) = 1\times 2\times 11 = 22\).

Greatest Common Factor of 176 and 198 by matching factors method

List of positive integers factors of 176 leaving a remainder zero is 1, 2, 4, 8, 11, 16, 22, 44, 88, 176
List of positive integers factors of 198 leaving a remainder zero is 1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198
As you can see, 22 is the greatest and common number that 176 and 198 divides into.
So the greatest common factor 176 and 198 is 22.
\(GCF(176, 198) = 22\).

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