LCM and GCF

Front

What does GCF stand for?

Back

GCF stands for Greatest Common Factor, which is the largest number that divides two or more numbers without leaving a remainder.

Front

What does LCM stand for?

Back

LCM stands for Least Common Multiple, which is the smallest multiple that is exactly divisible by two or more numbers.

Front

Find the GCF of 15 and 33.

Back

3

Front

Find the LCM of 5 and 20.

Back

20

Front

Find the LCM of 2 and 3.

Back

6

Front

Find the GCF of 50 and 40.

Back

10

Front

Find the GCF of 12 and 30.

Back

6

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 themselves.

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 they have in common.

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 they have in common.