How to Use Factor Calculator

About this tool

List every factor and factor pair of a number and its prime factorization.

How to use Factor Calculator

1. Enter a whole number.
2. Read the list of factors and whether the number is prime.
3. Open the factor pairs table for multiplications that give the number.

Worked example

360 has 24 factors and a prime factorization of 2³ × 3² × 5, which is why it divides so neatly into degrees of a circle.

What is a prime number?

A number greater than 1 whose only factors are 1 and itself, such as 2, 3, 5 and 7.

What is a perfect number?

A number equal to the sum of its factors other than itself, such as 6 = 1 + 2 + 3.

Put this guide into practice

• Factor Calculator — List every factor and factor pair of a number and its prime factorization.