GCF/LCM

Front

What is the Greatest Common Factor (GCF)?

Back

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

Front

What is the Least Common Multiple (LCM)?

Back

The LCM is the smallest number that is a multiple of two or more numbers.

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 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 a whole number that can be divided evenly into that number.

Front

Find the GCF of 12 and 16.

Back

The GCF is 4.

Front

Find the LCM of 3 and 5.

Back

The LCM is 15.

Front

If Jenny goes to dance class every 6 days and karate class every 12 days, when will she go to both classes again?

Back

She will go to both classes again in 12 days.

Front

What is the GCF of 18 and 24?

Back

The GCF is 6.