LCM & GCF

Front

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

Back

The LCM of two or more numbers is the smallest multiple that is exactly divisible by each of the numbers.

Front

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

Back

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

Front

Which of the following is a multiple of 7? 14, 17, 22

Back

14

Front

What is the LCM of 4 and 10?

Back

20

Front

List all the factors of 12.

Back

1, 2, 3, 4, 6, 12

Front

What is the LCM of 10 and 5?

Back

10

Front

What are the factors of 25?

Back

1, 5, 25

Front

How do you find the LCM of two numbers?

Back

To find the LCM, list the multiples of each number and identify the smallest multiple that appears in both lists.

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 that appears in both lists.

Front

What is a multiple?

Back

A multiple of a number is the product of that number and an integer.