GCF and LCM

Front

What is the Greatest Common Factor (GCF)?

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 they have in common.

Front

What is the Least Common Multiple (LCM)?

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 they have in common.

Front

What is the GCF of 16 and 24?

Back

8

Front

What is the GCF of 30 and 45?

Back

15

Front

What is the LCM of 6 and 8?

Back

24

Front

What is the LCM of 9 and 15?

Back

45

Front

If two numbers are 12 and 18, what is their GCF?

Back

6

Front

If two numbers are 4 and 5, what is their LCM?

Back

20