LCM GCF

Front

What is the GCF (Greatest Common Factor)?

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 find the largest factor they have in common.

Front

What is the LCM (Least Common Multiple)?

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 find the smallest multiple they have in common.

Front

What is a factor?

Back

A factor is a number that divides another number without leaving a remainder.

Front

What is a multiple?

Back

A multiple is the result of multiplying a number by an integer.

Front

Find the GCF of 18 and 24.

Back

6

Front

Find the GCF of 15, 30, and 45.

Back

15

Front

Melanie has pieces that are 8 inches long and Martin has pieces that are 20 inches long. What is the shortest track they can build?

Back

40 inches.

Front

28 girls and 32 boys are divided into groups with the same number of boys and girls. What is the greatest number of groups?

Back

4 groups.