Greatest Common Factor of 84 and 9898

GCF(84, 9898) = 14, Greatest common factor of 84 and 9898 is 14. 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 84 and 9898. Greatest Common Factor by prime factorization method and Greatest Common Factor by matching factors method.

Greatest Common Factor of 84 and 9898 by prime factorization method

We will first find the prime factorization of 84 and 9898.
Prime Factorization of 84 is 1, 2, 2, 3, 7 and Prime Factorization of 9898 is 1, 2, 7, 7, 101.

  • Factorize\( (84) = \) \(1\times 2\times 2\times 3\times 7\)
  • Factorize\( (9898) = \) \(1\times 2\times 7\times 7\times 101\)
Now we need to find any which are common for each number (1, 2, 7) and multiply these numbers together.
\(GCF(84, 9898) = 1\times 2\times 7 = 14\).

Greatest Common Factor of 84 and 9898 by matching factors method

List of positive integers factors of 84 leaving a remainder zero is 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
List of positive integers factors of 9898 leaving a remainder zero is 1, 2, 7, 14, 49, 98, 101, 202, 707, 1414, 4949, 9898
As you can see, 14 is the greatest and common number that 84 and 9898 divides into.
So the greatest common factor 84 and 9898 is 14.
\(GCF(84, 9898) = 14\).

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