What is the greatest common factor of 12 and 45?

Answer 1

The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.

The greatest common factor of 22 and 45 is 1

Answer 2

There cannot be a greatest common factor (GCF) of just one number. To be common there need to be at least two numbers. If you find all the factors of two or more numbers, and you find some factors are the same ("common"), then the largest of those common factors is the Greatest Common Factor.

Answer 3

The (GCF) greatest common factor of 12 and 45 is 3.

12 = 2 x 6 = 2 x 2 x 3;

45 = 3 x 15 = 3 x 3 x 5.

GCF = 3

Answer 4

Greatest Common Factor (GCF) of (4,45) is 1.

Answer 5

The greatest common factor (GCF) is 1.

Answer 6

The GCF is 1.

Answer 7

The GCF is 1.

Answer 8

gcf for 12 and 45 is 3.

Answer 9

Greatest common factor of 19 and 45 is 1.