common divisor

There is a mathematical explanation for the auditory illusion in my example, sometimes called the missing fundamental: The perceived pitch is the greatest common divisor of the frequencies of the sine waves present.

From Scientific American ● Feb. 24, 2018

There was no common divisor for all of the 300 cars shown.

From Time Magazine Archive

The number of votes obtained by each of the lists is divided by the "common divisor" thus:— 8,000 divided by 3,750 = 2 with a remainder of 500.

From Proportional Representation A Study in Methods of Election by John H. Humphreys

And when this greatest common divisor of all the classes and all the interests, this neutral, colorless person to whom no one can find any objection, enters the White House does he represent Labor?

From Behind the Mirrors The Psychology of Disintegration at Washington by Clinton W. (Clinton Wallace) Gilbert

Totitive, tot′i-tiv, n. a number less than another having with it no common divisor but unity.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various