What's New

Input numbers max length increased to 10 digits.
Updated app translations.
Updated app icon

App Description

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.

iPhone Screenshots

(click to enlarge)

Prime Factorization Factorizer screenshot 1 Prime Factorization Factorizer screenshot 2 Prime Factorization Factorizer screenshot 3 Prime Factorization Factorizer screenshot 4

iPad Screenshots

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Prime Factorization Factorizer screenshot 5 Prime Factorization Factorizer screenshot 6 Prime Factorization Factorizer screenshot 7 Prime Factorization Factorizer screenshot 8

App Changes

  • June 14, 2014 Initial release
  • September 13, 2015 New version 2.0.0
  • September 13, 2015 Price increase: $0.99 -> $1.99
  • July 06, 2016 Price decrease: $1.99 -> $0.99
  • November 11, 2016 Price increase: $0.99 -> $1.99
  • November 16, 2016 Price decrease: $1.99 -> $0.99
  • June 15, 2019 New version 2.1.0
  • June 15, 2019 Price increase: $0.99 -> $1.99
  • June 16, 2019 Price increase: $0.99 -> $1.99
  • October 22, 2019 Price increase: $1.99 -> $2.99
  • July 15, 2020 New version 2.5.0
  • September 16, 2023 New version 2.6.0
  • September 16, 2023 Price increase: $2.99 -> $3.99