GCF - Practice 1

Front

What does GCF stand for?

Back

GCF stands for Greatest Common Factor.

Front

What is the GCF of 20 and 30?

Back

10

Front

What is the GCF of 28 and 40?

Back

4

Front

List all the factors of 15.

Back

1, 3, 5, 15

Front

Which number is a factor of 6?

Back

2

Front

What is a factor?

Back

A factor is a number that divides another number without leaving a remainder.

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 the GCF of 12 and 18?

Back

6

Front

What is the GCF of 24 and 36?

Back

12

Front

What is the GCF of 15 and 25?

Back

5