Greatest Common Factor

Front

What is the Greatest Common Factor (GCF)?

Back

The GCF is the largest positive integer that divides all the given numbers without leaving a remainder.

Front

How do you find the GCF of two numbers?

Back

To find the GCF, list the factors of each number and identify the largest factor that they have in common.

Front

Find the GCF of 21 and 28.

Back

7

Front

Find the GCF of 18 and 24.

Back

6

Front

What is the GCF of 48 and 64?

Back

16

Front

If a number is a factor of two numbers, what can we say about it?

Back

It is a common factor of those two numbers.

Front

What is the relationship between GCF and LCM (Least Common Multiple)?

Back

The product of the GCF and LCM of two numbers is equal to the product of the numbers.

Front

Shannon has 32 maroon balloons, 24 white balloons, and 16 orange balloons. What is the greatest number of identical arrangements she can make?

Back

4

Front

What is a factor?

Back

A factor is a whole number that can be divided evenly into another number.

Front

What is the GCF of 12 and 30?

Back

6