GCF

Front

What is the GCF (Greatest Common Factor)?

Back

The GCF is the largest positive integer that divides all the given numbers without leaving a remainder.

Front

How do you find the GCF of two numbers?

Back

You can find the GCF by listing the factors of each number and identifying the largest factor they have in common.

Front

What is the GCF of 20 and 30?

Back

10

Front

What is the GCF of 12 and 28?

Back

4

Front

What is the GCF of 4 and 12?

Back

4

Front

What is the GCF of 10 and 75?

Back

5

Front

What is the GCF of 28 and 49?

Back

7

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

Front

What is a factor?

Back

A factor is a number that divides another number without leaving a remainder.