Accurate Online Factor Calculator

What this calculator helps you do

Use this calculator to list the factors of a number and quickly see which values divide it exactly. It is useful for homework, simplifying fractions, and checking divisibility before moving to the next step in a problem.

How factors work

A factor is a whole number that divides another whole number with no remainder. For example, the factors of 24 include 1, 2, 3, 4, 6, 8, 12, and 24.

Worked example

For 36, the factor pairs are 1 x 36, 2 x 18, 3 x 12, 4 x 9, and 6 x 6. Collecting those numbers gives the full factor list.

How to use the result

• Find common factors between two numbers
• Simplify fractions
• Check divisibility before factoring algebraic expressions

Bottom line

The tool is most helpful when you need a fast factor list and a reliable check for number relationships.