a number that is a submultiple of all the numbers of a given set.
Origin of common divisor
First recorded in 1840–50
Also called common factor.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a number or quantity that is a factor of each member of a group of numbers or quantities5 is a common factor of 15 and 20 Also called: common divisor
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 that is a factor of two or more numbers. For example, 3 is a common divisor of both 9 and 15. Also called common factor
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.