LCM (Lowest Common Multiple).

Mathematics for JSS 1 First Term

 Week 3

LCM (Lowest Common Multiple).

Performance Objectives.

Students should be able to

  1. Identify the common multiple of two or more numbers.
  2. Find the LCM of whole numbers.


Multiples are numbers in the times tables. That is the numbers in our multiplication tables.

Example 1: Find the first 10 multiples of 2 and 4.

b. find the common multiple of 2 and 4.



Common Multiple=4,8,12,16,20.

Example 2:

 Write out the 10 multiples of 10,15, and 30.

b. find the common multiple.


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