GCF and 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

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

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 a factor?

Back

A factor is a whole number that can be divided evenly into another number.

Front

What is a multiple?

Back

A multiple of a number is the product of that number and an integer.

Front

What are the factors of 12?

Back

1, 2, 3, 4, 6, 12

Front

What are the multiples of 3 up to 30?

Back

3, 6, 9, 12, 15, 18, 21, 24, 27, 30

Front

What is the GCF of 8 and 12?

Back

The GCF is 4.

Front

What is the LCM of 3 and 5?

Back

The LCM is 15.