Factor Calculator

This calculator checks every whole number up to the square root of your number, and whenever one divides evenly, both it and its paired divisor (number ÷ that divisor) are added to the list, which is an efficient way to find all factors without checking every number up to the value itself.

The Prime Factorization Calculator breaks a number down into only its prime factors (like 2, 3 and 5 for the number 30). This calculator instead lists every factor, prime or not, that divides evenly into the number (for 30, that's 1, 2, 3, 5, 6, 10, 15 and 30).