Finding Greatest Common Factor

Front

What is the Greatest Common Factor (GCF)?

Back

The GCF is the largest number that divides two or more numbers without leaving a remainder.

Front

How do you find the GCF of two numbers?

Back

1. List the factors of each number. 2. Identify the common factors. 3. The largest of these common factors is the GCF.

Front

What are the factors of 30?

Back

1, 2, 3, 5, 6, 10, 15, 30

Front

What are the factors of 12?

Back

1, 2, 3, 4, 6, 12

Front

What is the GCF of 30 and 12?

Back

6

Front

What are the factors of 16?

Back

1, 2, 4, 8, 16

Front

What are the factors of 14?

Back

1, 2, 7, 14

Front

What is the GCF of 16 and 12?

Back

4

Front

What is the GCF of 28 and 22?

Back

2

Front

What is the GCF of 12 and 6?

Back

6