What is the greatest common factor of 20 and 24?

Answer 1

The GCF of 20 and 24 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 20 are 1, 2, 4, 5, 10, and 20.

The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24.

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 20 are 2, 2, and 5.

The prime factors of 24 are 2, 2, 2, and 3.

The prime factors in common are 2 and 2, so the greatest common factor is 2 x 2 = 4. the factors of 20 are 2,4,5,10, and 20 factors of 24 are 2,3,4,6,812,etc. 4 is the gcf It's 4.

Tips: Given two numbers for gcd calculation, you should know it can't ever be bigger than the difference between the numbers. It also has to be a divisor of the difference. The Greatest Common Factor (GCF) is: 4
The answer is four! XD

Answer 2

The word "GREATEST" is a superlative adjective and that means there can be only one.
The greatest common factor (GCF) refers to a factor that is COMMON to two or more numbers. You have only one number in the question! The greatest factor of any number is itself.

Answer 3

GCD(20, 24) = 4

Answer 4

FCG(24, 20) = 4.