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See common divisor.
(Mathematics) a number or quantity that is a factor of each member of a group of numbers or quantities: 5 is a common factor of 15 and 20. Also called: common divisor
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|Noun||1.||common factor - an integer that divides two (or more) other integers evenly|
divisor, factor - one of two or more integers that can be exactly divided into another integer; "what are the 4 factors of 6?"