GCF/LCM

Front

What is the Least Common Multiple (LCM)?

Back

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

Front

How do you find the LCM of two numbers?

Back

To find the LCM, list the multiples of each number and find the smallest multiple that they have in common.

Front

What is the Greatest Common Factor (GCF)?

Back

The GCF of two or more numbers is the largest number that divides each of the numbers 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 find the largest factor that they have in common.

Front

Find the LCM of 3 and 5.

Back

15

Front

What is the LCM of 4 and 9?

Back

36

Front

What is the LCM of 4 and 10?

Back

20

Front

Find the GCF of 12 and 18.

Back

6

Front

List all the factors of 12.

Back

1, 2, 3, 4, 6, 12

Tags

CCSS.4.OA.B.4

Front

What is a multiple?

Back

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