Quick-Start Guide
This calculator finds prime and composite factors of a
given number. The calculator will factor any number less than 1
million. When entering numbers, please use only the digits 0
through 9, and avoid decimal points, commas, letters, or other
symbols.
For algebraic factoring, use the Expression
Factoring Calculator for expressions such as 'x^2 + 4x + 4',
and the Equation
Factoring Calculator for equations such as 'x^2 + 4x + 4 = 0'.