GCF and LCM Review

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 20 and 8?

Back

The GCF is 4.

Front

What is the LCM of 20 and 8?

Back

The LCM is 40.

Front

If John has pieces that are 20 inches long and Mitchell has pieces that are 8 inches long, what is the shortest track they can build together?

Back

40 inches.

Front

What is the GCF of 15 and 36?

Back

The GCF is 3.

Front

What is the GCF of 72, 96, and 84?

Back

The GCF is 12.

Front

Lisa has 32 white roses, 24 pink roses, and 16 bunches of babies breath. What is the greatest number of identical arrangements she can make?

Back

8 arrangements.