Greatest Common Factor of 64 and 771

GCF(64, 771) = 1, Greatest common factor of 64 and 771 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 64 and 771. Greatest Common Factor by prime factorization method and Greatest Common Factor by matching factors method.

Greatest Common Factor of 64 and 771 by prime factorization method

We will first find the prime factorization of 64 and 771.
Prime Factorization of 64 is 1, 2, 2, 2, 2, 2, 2 and Prime Factorization of 771 is 1, 3, 257.

  • Factorize\( (64) = \) \(1\times 2\times 2\times 2\times 2\times 2\times 2\)
  • Factorize\( (771) = \) \(1\times 3\times 257\)
Now we need to find any which are common for each number (1, 1) and multiply these numbers together.
\(GCF(64, 771) = 1\times 1 = 1\).

Greatest Common Factor of 64 and 771 by matching factors method

List of positive integers factors of 64 leaving a remainder zero is 1, 2, 4, 8, 16, 32, 64
List of positive integers factors of 771 leaving a remainder zero is 1, 3, 257, 771
As you can see, 1 is the greatest and common number that 64 and 771 divides into.
So the greatest common factor 64 and 771 is 1.
\(GCF(64, 771) = 1\).

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