GCF and LCM

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 of two numbers, list the multiples of each number and find 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 of two numbers, list the factors of each number and find the largest factor that appears in both lists.

Front

Find the LCM of 4 and 6.

Back

12

Front

What is the GCF of 16 and 24?

Back

8

Front

Find the GCF of 9 and 15.

Back

3

Front

Find the GCF of 10 and 20.

Back

10

Front

Find the LCM of 9 and 12.

Back

36

Front

What is a multiple?

Back

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