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Enter LCM expression in this form 3  15  45 SPACE separated.


Least common multiple

12 \ 48 \ 60

The Lowest Common Multiple or LCM is the smallest number that is a multiple of two or more other numbers.

Simple Explanation of LCM

Imagine you and your friend both have a pack of gum. You have 3 pieces of gum and your friend has 4 pieces of gum. The LCM would be the smallest number of pieces of gum that you could split between you and your friend so that you each get the same number of pieces.

Worked Example

Let’s find the LCM of 6 and 9:

Multiples of 6: 6, 12, 18, 24, 30, …

Multiples of 9: 9, 18, 27, 36, …

The smallest number that appears in both lists is 18.

So, the LCM of 6 and 9 is 18. This means if you had 18 candies and wanted to share them equally between 6 friends or 9 friends, you would give each friend 3 candies.