a number that is a multiple of all the numbers of a given set.
Origin of common multiple
First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
an integer or polynomial that is a multiple of each integer or polynomial in a group20 is a common multiple of 2, 4, 5, 10
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
A number divisible by each of two or more numbers without a remainder. For example, 12 is a common multiple of 2, 3, 4, and 6.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.