adjective
Definition: Describing a number that can be divided evenly into another number without leaving a remainder.
Example: In mathematics, a submultiple of 12 is 6, because 12 can be divided by 6 exactly.
noun
Definition: A number that can divide another number without leaving a remainder.
Example: In mathematics, 2 is a submultiple of 4 because 4 can be divided by 2 exactly.