SBP-Program

f

tw

in

Find the greatest common factor of 12 and 9

How to find the greatest common factor of 12 and 9?

Find the gcf of 12 and 9

Problem. Find the greatest common factor of 12 and 9.

Solution.

The prime factorization of 12

12 = 2 * 2 * 3

See 12 prime factorization.

The prime factorization of 9

9 = 3 * 3

See 9 prime factorization.

Find the common prime factors of these two numbers 12 and 9

12 –> (2, 2, 3)
9 –> (3, 3)

The common factors of 12 and 9 are

3

The gcf of 12 and 9

gcf(12, 9) = 3

The problem is solved.