Greatest Common Factor and Least Common Multiple Review

Front

What is the definition of the Greatest Common Factor (GCF)?

Back

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

Front

What is the definition of the Least Common Multiple (LCM)?

Back

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

Front

List the first 5 multiples of 7.

Back

7, 14, 21, 28, 35

Front

What is the GCF of 12 and 18?

Back

6

Front

What is the LCM of 3 and 4?

Back

12

Front

How do you find the GCF of two numbers?

Back

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

Front

How do you find the LCM of two numbers?

Back

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

Front

What are the factors of 15?

Back

1, 3, 5, 15

Front

What is the GCF of 20 and 30?

Back

10

Front

What is the LCM of 6 and 8?

Back

24