Greatest Common Factor of 120 and 3788

GCF(120, 3788) = 4, Greatest common factor of 120 and 3788 is 4. 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 120 and 3788. Greatest Common Factor by prime factorization method and Greatest Common Factor by matching factors method.

Greatest Common Factor of 120 and 3788 by prime factorization method

We will first find the prime factorization of 120 and 3788.
Prime Factorization of 120 is 1, 2, 2, 2, 3, 5 and Prime Factorization of 3788 is 1, 2, 2, 947.

  • Factorize\( (120) = \) \(1\times 2\times 2\times 2\times 3\times 5\)
  • Factorize\( (3788) = \) \(1\times 2\times 2\times 947\)
Now we need to find any which are common for each number (1, 2, 2) and multiply these numbers together.
\(GCF(120, 3788) = 1\times 2\times 2 = 4\).

Greatest Common Factor of 120 and 3788 by matching factors method

List of positive integers factors of 120 leaving a remainder zero is 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120
List of positive integers factors of 3788 leaving a remainder zero is 1, 2, 4, 947, 1894, 3788
As you can see, 4 is the greatest and common number that 120 and 3788 divides into.
So the greatest common factor 120 and 3788 is 4.
\(GCF(120, 3788) = 4\).

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