Factor Calculator

Finding the factors of a large number has a reputation as an extraordinarily difficult math problem. This simple calculator will instantly factor numbers and find primes. You can factor small numbers or large numbers up to 4,000,000,009 instantly (4+ billion).

+Totally free!

+Clean, simple interface

+Easy to use

+Number range: 1 - 4,000,000,009

+Find factors and prime numbers

+Large and small whole numbers