greatest common denominator

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the largest common denominator of two or more numbers; as, 9 is the greatest common denominator of 18 and 27..

See also: Denominator

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Summers and Ted-Larry Pebworth, in their introduction, note the greatest common denominator is the essays' "historical ground[ing]" (3).
"The diplomacy, politics, and military diplomacy in particular are just created to find a common denominator, not based on the principle of the lowest common denominator, but according to the principle of the greatest common denominator. We strive for this," Ryabkov told reporters.