About LCM of two huge numbers - IGGI
http://appinventor.mit.edu/explore/master-trainers.html#nguyen
This app is created using MIT App Inventor to demonstrate its ability in CS courses, especially Algorithms.
In arithmetic and number theory, the least common multiple (also called the lowest common multiple or smallest common multiple) of two integers a and b, usually denoted by LCM(a, b), is the smallest positive integer that is divisible by both a and b.
https://en.wikipedia.org/wiki/Least_common_multiple
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LCM of two huge numbers - IGGI version 1.4 on your
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Android package:
appinventor.ai_khoi_ntm.The_least_common_multiple_of_two_integers_Final, download LCM of two huge numbers - IGGI.apk