Greatest Common Factor and Least Common Multiple

Front

What is the Least Common Multiple (LCM)?

Back

The Least Common Multiple (LCM) of two or more numbers is the smallest multiple that is exactly divisible by each of the numbers.

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

What is the Greatest Common Factor (GCF)?

Back

The Greatest Common Factor (GCF) of two or more numbers is the largest number that divides each of the numbers without leaving a remainder.

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 the LCM of 4 and 14?

Back

28

Front

What is the GCF of 35 and 47?

Back

1

Front

What is the LCM of 5 and 10?

Back

10

Front

What is the GCF of 16 and 24?

Back

8

Front

If Maria runs every third day and swims every fifth day, what is the first day she will both run and swim again?

Back

15

Front

What is a multiple?

Back

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