GCF REVIEW

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

List all the factors of 15.

Back

1, 3, 5, 15

Tags

CCSS.4.OA.B.4

Front

What is the greatest factor of 28 and 49?

Back

7

Front

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

Back

14

Tags

CCSS.4.OA.B.4

Front

What is the GCF of 28 and 40?

Back

4

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

Tags

CCSS.4.OA.B.4

Front

What is the smallest factor of any number?

Back

1 is the smallest factor of any number.

Tags

CCSS.4.OA.B.4

Front

If two numbers have no common factors other than 1, what can we say about them?

Back

They are called coprime or relatively prime.

Tags

CCSS.4.OA.B.4