Greatest Common Factor

Front

What is the Greatest Common Factor (GCF)?

Back

The GCF is the largest positive integer that divides all the numbers in a given set 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. Choose the largest common factor.

Front

Find the GCF of 32 and 48.

Back

16

Front

List all the factors of 12.

Back

1, 2, 3, 4, 6, 12

Front

What are the factors of 25?

Back

1, 5, 25

Front

Find the GCF of 30 and 36.

Back

6

Front

Find the GCF of 24 and 48.

Back

24

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 prime factorization?

Back

The GCF can be found by multiplying the lowest powers of all prime factors common to the numbers.

Front

What is the GCF of 18 and 24?

Back

6