What is the greatest common factor of 28 and 36?

Answer 1

The GCF of 28 and 36 is 4.

One way to determine the greatest common factor is to find all the factors of the numbers and compare them.

The factors of 28 are 1, 2, 4, 7, 14, and 28.

The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36.

The common factors are 1, 2, and 4. Therefore, the greatest common factor is 4.

The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.

The prime factors of 28 are 2, 2, and 7.

The prime factors of 36 are 2, 2, 3, and 3.

The prime factors in common are 2 and 2, so the greatest common factor is 2 x 2 = 4.

Answer 2

Factors of 36: 1, 2, 3, 4, 6, 9, 12, 18, and 36

Factors of 28: 1, 2, 4, 7, 14, and 28

Common factors of 36 and 28: 1, 2, and 4

Greatest common factor: 4

Answer 3

The GCF (Greatest Common Factor) of 28 and 36 is 4.

Answer 4

The GCF is 4.