LCM and GCF

Front

What is the Least Common Multiple (LCM)?

Back

The Least Common Multiple (LCM) of two or more numbers is the smallest multiple that is exactly divisible by each of the numbers.

Front

What is the Greatest Common Factor (GCF)?

Back

The Greatest Common Factor (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 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.

Front

What is the GCF of 16 and 24?

Back

The GCF of 16 and 24 is 8.

Front

What is the LCM of 4 and 5?

Back

The LCM of 4 and 5 is 20.

Front

If Sara has 16 red flowers and 24 yellow flowers, what is the greatest number of bouquets she can make?

Back

Sara can make 8 bouquets.

Front

Which of the following is a multiple of 7: 28, 48, 71, 45?

Back

28 is a multiple of 7.

Front

What is the GCF of 10 and 25?

Back

The GCF of 10 and 25 is 5.

Front

What is the GCF of 8 and 10?

Back

The GCF of 8 and 10 is 2.