Greatest Common Factor and Least Common Multiple Review

Front

What is the definition of a multiple?

Back

A multiple of a number is the product of that number and an integer. For example, the multiples of 3 are 3, 6, 9, 12, etc.

Front

What are the first 5 multiples of 16?

Back

16, 32, 48, 64, 80

Front

What is the definition of a factor?

Back

A factor of a number is an integer that can be multiplied by another integer to produce that number. For example, the factors of 12 are 1, 2, 3, 4, 6, and 12.

Front

List all the factors of 12.

Back

1, 2, 3, 4, 6, 12

Front

What is the definition of the Least Common Multiple (LCM)?

Back

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

Front

What is the Least Common Multiple of 10 and 48?

Back

240

Front

What is the definition of the Greatest Common Factor (GCF)?

Back

The Greatest Common Factor of two or more numbers is the largest factor that is common to all the numbers.

Front

What is the Greatest Common Factor of 35 and 49?

Back

7

Front

What is the Least Common Multiple of 15 and 90?

Back

90

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.