Math Calculators
Factor Calculator
List all factors and prime factorization.
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About the Factor Calculator
Enter a whole number and the calculator lists all of its factors (the numbers that divide it evenly) plus its prime factorization. It's a fast helper for simplifying fractions, finding common factors, and number-theory work — from small numbers up to the billions.
How to use the Factor Calculator
- 01Enter your a whole number.
- 02Read the result instantly — it recalculates as you type.
- 03Adjust the numbers to model different scenarios.
Frequently asked questions
What are factors?
The whole numbers that divide a number evenly with no remainder. For example, the factors of 12 are 1, 2, 3, 4, 6, and 12.
What is prime factorization?
Writing a number as a product of prime numbers, e.g. 360 = 2³ × 3² × 5. This tool shows it alongside the full factor list.