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

You can find the GCF by listing the factors of each number and identifying the largest common factor.

Front

How do you find the LCM of two numbers?

Back

You can find the LCM by listing the multiples of each number and identifying the smallest common multiple.

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

Find the GCF of 12 and 18.

Back

The GCF of 12 and 18 is 6.

Front

Find the LCM of 4 and 5.

Back

The LCM of 4 and 5 is 20.

Front

Which of the following is a factor of 24? 2, 5, 10, 12

Back

2, 12 are factors of 24.

Front

Which of the following is not a multiple of 3? 6, 9, 10, 12

Back

10 is not a multiple of 3.