Greatest Common Factor

Front

What is the greatest common factor (GCF)?

Back

The greatest common factor (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 of two numbers, list the factors of each number and identify the largest factor that appears in both lists.

Front

What are the factors of 16?

Back

1, 2, 4, 8, 16

Front

What are the factors of 24?

Back

1, 2, 3, 4, 6, 8, 12, 24

Front

What is the GCF of 16 and 24?

Back

8

Front

What are the factors of 35?

Back

1, 5, 7, 35

Front

What are the factors of 47?

Back

1, 47 (47 is a prime number)

Front

What is the GCF of 35 and 47?

Back

1

Front

What are the factors of 15?

Back

1, 3, 5, 15

Front

What are the factors of 30?

Back

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