Greatest Common Factor

Front

What is the Greatest Common Factor (GCF)?

Back

The GCF is the largest positive integer that divides each of the given integers 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 appears in both lists.

Front

GCF of 30 and 28?

Back

2

Front

GCF of 9 and 36?

Back

9

Front

GCF of 48 and 84?

Back

12

Front

GCF of 33 and 99?

Back

33

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 relationship between GCF and multiples?

Back

The GCF is the largest multiple that is common to the factors of the given numbers.

Front

Can the GCF of two prime numbers be greater than 1?

Back

No, the GCF of two prime numbers is always 1.