Greatest Common Factor

Front

What is the Greatest Common Factor (GCF)?

Back

The GCF is the largest positive integer that divides two or more 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 they have in common.

Front

What is the GCF of 12 and 24?

Back

12

Front

What is the GCF of 8 and 12?

Back

4

Front

If you have 48 girls and 64 boys, what is the GCF to arrange them in equal rows?

Back

16

Front

Kiara baked 30 oatmeal cookies and 48 chocolate chip cookies. How many containers can she fill with the GCF of cookies?

Back

6

Front

Shannon has 32 maroon, 24 white, and 16 orange balloons. What is the GCF for her arrangements?

Back

8

Front

What is a factor?

Back

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

Front

What is a multiple?

Back

A multiple is a number that can be divided by another number without a remainder.

Front

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

Back

The GCF is the largest factor common to two or more numbers, while the LCM is the smallest multiple common to those numbers.