What does "common factor" mean?

A number that can divide two different numbers, without leaving a remainder.

What is a synonym for "common factor"?

Common synonyms include: common divisor, common measure.

noun

noun ·Rare ·Advanced level

Noun

1
A number that can divide two different numbers, without leaving a remainder.
"10 and 20 have a common factor of 2 because they are both even, and a greatest common factor of 10."
2
an integer that divides two (or more) other integers evenly wordnet

"10 and 20 have a common factor of 2 because they are both even, and a greatest common factor of 10."