GCF and LCM

Front

What is the GCF (Greatest Common Factor)?

Back

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

Front

How do you find the GCF of two numbers?

Back

List the factors of each number and identify the largest factor that they have in common.

Front

Find the GCF of 12 and 18.

Back

6

Front

Find the GCF of 24 and 36.

Back

12

Front

What are the common factors of 10 and 15?

Back

1 and 5

Front

What is the LCM (Least Common Multiple)?

Back

The LCM is the smallest number that is a multiple of two or more numbers.

Front

How do you find the LCM of two numbers?

Back

List the multiples of each number and identify the smallest multiple that they have in common.

Front

Find the LCM of 4 and 5.

Back

20

Front

Find the LCM of 6 and 8.

Back

24

Front

What is the relationship between GCF and LCM?

Back

The product of the GCF and LCM of two numbers is equal to the product of the numbers.