A handy Prime Factor calculator to find prime factors of any number.
Integer factorization of any number (up to 10 digits). With the Prime Factorizer you can factor up to six numbers at once. For prime numbers the calculator returns the number itself.
Prime factorization in standard and exponential forms.
In addition, the calculator calculates the Greatest Common Factor and Least Common Multiple of given numbers.
Prime Factor calculator stores History list. So you can easily view and edit your recent calculations.
You can send results via email.
Version history
2.6.0
2023-02-22
Input numbers max length increased to 10 digits.
Updated app translations.
Updated app icon
2.5.0
2020-03-21
Input numbers max length increased to 9 digits.
Now you could find prime factors for up to six numbers at once.
Added Czech and Polish localization.
2.1.0
2018-09-18
Fixed problem with the Chinese language auto-detection.
2.0.0
2015-09-10
New interface.
General improvements and bug fixes.
More detailed results.
Improved history list.
Sends results via email.
New app icon.
Added 'Undo' for the Clear command.
Added 7 color styles.
1.0.0
2014-03-10
Download Prime Factorization Factorizer on Android and iPhone for free