Greatest Common Factor of 156 and 73

GCF(156, 73) = 1, Greatest common factor of 156 and 73 is 1. 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 73. Greatest Common Factor by prime factorization method and Greatest Common Factor by matching factors method.

Greatest Common Factor of 156 and 73 by prime factorization method

We will first find the prime factorization of 156 and 73.
Prime Factorization of 156 is 1, 2, 2, 3, 13 and Prime Factorization of 73 is 1, 73.

  • Factorize\( (156) = \) \(1\times 2\times 2\times 3\times 13\)
  • Factorize\( (73) = \) \(1\times 73\)
Now we need to find any which are common for each number (1, 1) and multiply these numbers together.
\(GCF(156, 73) = 1\times 1 = 1\).

Greatest Common Factor of 156 and 73 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 73 leaving a remainder zero is 1, 73
As you can see, 1 is the greatest and common number that 156 and 73 divides into.
So the greatest common factor 156 and 73 is 1.
\(GCF(156, 73) = 1\).

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