Greatest Common Factor of 144 and 11070

GCF(144, 11070) = 18, Greatest common factor of 144 and 11070 is 18. 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 144 and 11070. Greatest Common Factor by prime factorization method and Greatest Common Factor by matching factors method.

Greatest Common Factor of 144 and 11070 by prime factorization method

We will first find the prime factorization of 144 and 11070.
Prime Factorization of 144 is 1, 2, 2, 2, 2, 3, 3 and Prime Factorization of 11070 is 1, 2, 3, 3, 3, 5, 41.

  • Factorize\( (144) = \) \(1\times 2\times 2\times 2\times 2\times 3\times 3\)
  • Factorize\( (11070) = \) \(1\times 2\times 3\times 3\times 3\times 5\times 41\)
Now we need to find any which are common for each number (1, 2, 3, 3) and multiply these numbers together.
\(GCF(144, 11070) = 1\times 2\times 3\times 3 = 18\).

Greatest Common Factor of 144 and 11070 by matching factors method

List of positive integers factors of 144 leaving a remainder zero is 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144
List of positive integers factors of 11070 leaving a remainder zero is 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 41, 45, 54, 82, 90, 123, 135, 205, 246, 270, 369, 410, 615, 738, 1107, 1230, 1845, 2214, 3690, 5535, 11070
As you can see, 18 is the greatest and common number that 144 and 11070 divides into.
So the greatest common factor 144 and 11070 is 18.
\(GCF(144, 11070) = 18\).

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