6th Grade · The Number System

Common Multiple

6.NS.B.4

Definition

A number that is a multiple of two or more numbers at the same time.

Examples

  • 12 and 24 are common multiples of 4 and 6.
  • Common multiples are used to find a common denominator.

Key rule

A common multiple is shared by every number in the group.

Memory hook

A multiple that shows up on every number's list.