Greatest Common Factor of 156 and 10380

GCF(156, 10380) = 12, Greatest common factor of 156 and 10380 is 12. 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 156 and 10380. Greatest Common Factor by prime factorization method and Greatest Common Factor by matching factors method.

Greatest Common Factor of 156 and 10380 by prime factorization method

We will first find the prime factorization of 156 and 10380.
Prime Factorization of 156 is 1, 2, 2, 3, 13 and Prime Factorization of 10380 is 1, 2, 2, 3, 5, 173.

  • Factorize\( (156) = \) \(1\times 2\times 2\times 3\times 13\)
  • Factorize\( (10380) = \) \(1\times 2\times 2\times 3\times 5\times 173\)
Now we need to find any which are common for each number (1, 2, 2, 3) and multiply these numbers together.
\(GCF(156, 10380) = 1\times 2\times 2\times 3 = 12\).

Greatest Common Factor of 156 and 10380 by matching factors method

List of positive integers factors of 156 leaving a remainder zero is 1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156
List of positive integers factors of 10380 leaving a remainder zero is 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 173, 346, 519, 692, 865, 1038, 1730, 2076, 2595, 3460, 5190, 10380
As you can see, 12 is the greatest and common number that 156 and 10380 divides into.
So the greatest common factor 156 and 10380 is 12.
\(GCF(156, 10380) = 12\).

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