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
Version 5: Completely re-wrote interface for speed and simplicity. Will now factor numbers up to 4,000,000,009!
9Apps 4.9
