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

How do you find the GCF of 28, 42, and 56?

Back

The GCF is 14.

Front

What is the GCF of 14, 56, and 63?

Back

The GCF is 7.

Front

What is the GCF of 50 and 40?

Back

The GCF is 10.

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

How do you find the LCM of 3 and 5?

Back

The LCM is 15.

Front

How do you find the LCM of 8 and 12?

Back

The LCM is 24.

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.

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.