What's New

Added Czech and Polish localizations.
Updated interface for iPhone XR.
Updated the results view.

App Description

Finds the greatest common divisor (GCD) and Least Common Multiple (LCM) of two, three and four numbers.

Finds the prime factorization of numbers and shows it in the standard and exponential forms.

Just enter two, three or four integers and tap "Calculate".

Keeps history.

Sends results via email.

iPhone Screenshots

(click to enlarge)

GCD and LCM screenshot 1 GCD and LCM screenshot 2 GCD and LCM screenshot 3 GCD and LCM screenshot 4

iPad Screenshots

(click to enlarge)

GCD and LCM screenshot 5 GCD and LCM screenshot 6 GCD and LCM screenshot 7 GCD and LCM screenshot 8

App Changes

  • February 21, 2013 Initial release
  • February 22, 2014 New version 1.0.1
  • September 06, 2015 New version 2.0.0
  • September 14, 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
  • June 14, 2019 New version 2.2.0
  • July 15, 2020 New version 2.3.0
  • September 16, 2023 Price increase: $1.99 -> $2.99