Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

GCD and LCM Screenshots

iPad

iPhone

About GCD and LCM

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.

What's New in the Latest Version 2.3.0

Last updated on Mar 6, 2020

Old Versions

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

Version History

2.3.0

Mar 6, 2020

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

2.2.0

Sep 14, 2018

Fixed problem with the Chinese language auto-detection.
Now the app shows the factor used to multiply the corresponding number to get the LCM and the quotient of the given number divided by GCD.

2.0.0

Sep 5, 2015

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.

1.0.1

Feb 22, 2014

A new refreshed look and interface improvements.
Added 6 color schemes.
Supports both portrait and landscape orientation.
Performance improvements.
Calculates the GCD and LCM of 2, 3 and 4 numbers.
Prime factorization in the standard and exponential forms.
Added history list (last 25 results).
Added language support for Turkish, Japanese, Korean, Norwegian, Swedish, and Chinese.

1.0.0

Feb 20, 2013

Feedback Report

GCD and LCM FAQ

How to download GCD and LCM if it’s not available in your country?

Click here to learn how to download GCD and LCM in restricted country or region.

What's the minimum requirements to run GCD and LCM?

Check the following list to see the minimum requirements of GCD and LCM.

iPhone

Requires iOS 8.0 or later.

iPad

Requires iPadOS 8.0 or later.

iPod touch

Requires iOS 8.0 or later.

What language does GCD and LCM support?

GCD and LCM supports English, Czech, Dutch, French, German, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Swedish, Traditional Chinese, Turkish