Greatest Common Factor of 13 and 1457

GCF(13, 1457) = 1, Greatest common factor of 13 and 1457 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 13 and 1457. Greatest Common Factor by prime factorization method and Greatest Common Factor by matching factors method.

Greatest Common Factor of 13 and 1457 by prime factorization method

We will first find the prime factorization of 13 and 1457.
Prime Factorization of 13 is 1, 13 and Prime Factorization of 1457 is 1, 31, 47.

  • Factorize\( (13) = \) \(1\times 13\)
  • Factorize\( (1457) = \) \(1\times 31\times 47\)
Now we need to find any which are common for each number (1, 1) and multiply these numbers together.
\(GCF(13, 1457) = 1\times 1 = 1\).

Greatest Common Factor of 13 and 1457 by matching factors method

List of positive integers factors of 13 leaving a remainder zero is 1, 13
List of positive integers factors of 1457 leaving a remainder zero is 1, 31, 47, 1457
As you can see, 1 is the greatest and common number that 13 and 1457 divides into.
So the greatest common factor 13 and 1457 is 1.
\(GCF(13, 1457) = 1\).

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