GCF - Practice 1

Front

What is the GCF of 18 and 24?

Back

6

Front

What is the GCF of 20 and 30?

Back

10

Front

Which number is not a factor of 24? 6, 8, 3, 14

Back

14

Front

Which of the choices is not a factor of 24? 2, 3, 4, 5

Back

5

Front

Which number is a factor of 6? 12, 2, 8, 10

Back

2

Front

What does GCF stand for?

Back

Greatest Common Factor

Front

How do you find the GCF of two numbers?

Back

List the factors of each number and find the largest factor they have in common.

Front

What is a factor?

Back

A number that divides another number without leaving a remainder.

Front

List the factors of 24.

Back

1, 2, 3, 4, 6, 8, 12, 24

Front

What is the GCF of 12 and 15?

Back

3