GCF & LCM

Front

What is the GCF (Greatest Common Factor)?

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 LCM (Least Common Multiple)?

Back

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

Front

Find the GCF of 14 and 56.

Back

The GCF is 14.

Front

Find the GCF of 63 and 56.

Back

The GCF is 7.

Front

Find the LCM of 4 and 5.

Back

The LCM is 20.

Front

Find the LCM of 3 and 5.

Back

The LCM is 15.

Front

Find the LCM of 8 and 12.

Back

The LCM is 24.

Front

Find the GCF of 50 and 40.

Back

The GCF is 10.

Front

What is a method to find the GCF of two numbers?

Back

One method is to list the factors of each number and find the largest common factor.

Front

What is a method to find the LCM of two numbers?

Back

One method is to list the multiples of each number and find the smallest common multiple.