LCM and GCF

Front

What is the LCM (Least Common Multiple)?

Back

The LCM of two or more numbers is the smallest multiple that is exactly divisible by each of the numbers.

Front

What is the GCF (Greatest Common Factor)?

Back

The GCF of two or more numbers is the largest factor that divides all the numbers without leaving a remainder.

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 that appears in both lists.

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 that appears in both lists.

Front

What is a multiple?

Back

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

Front

What is a factor?

Back

A factor of a number is an integer that can be multiplied by another integer to produce that number.

Front

What is the LCM of 6 and 24?

Back

24

Front

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

Back

28

Front

What is the GCF of 30 and 45?

Back

15

Front

Which is a factor of 15? 2, 3, 4, 6

Back

3