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.
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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
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