GCF

Front

What does GCF stand for?

Back

GCF stands for Greatest Common Factor.

Front

Define GCF.

Back

The GCF of two or more numbers is the largest number that divides all of them without leaving a remainder.

Front

How do you find the GCF of two numbers?

Back

To find the GCF, list the factors of each number and identify the largest factor they have in common.

Front

What is the GCF of 15 and 35?

Back

5

Front

What is the GCF of 12 and 28?

Back

4

Front

What is the GCF of 20 and 70?

Back

10

Front

What is the GCF of 28 and 40?

Back

4

Front

What is the GCF of 20 and 30?

Back

10

Front

List the factors of 12.

Back

1, 2, 3, 4, 6, 12

Front

List the factors of 28.

Back

1, 2, 4, 7, 14, 28