Factors and Prime Factorization

Prime and Composite Numbers: A prime number is a whole number that is greater than 1 and has exactly two whole number factors, 1 and itself. A composite number is a whole number that is greater than 1 and has more than two whole number factors. The number 1 is neither prime nor composite.

Prime Factorization: When you write a number as a product of prime numbers, you are writing its prime factorization.

Find out more about factors and prime factorization by reading the explanation below.

Factors and Prime Factorization


Practice:  Answer the following exercises about factors and prime factorization.

Factors and Prime Factorization 1

Factors and Prime Factorization 2