Least Common Multiple (LCM) (Jump to: Lecture | Video )

Multiples

A multiple of a number is product of that number and a whole number.

Let's examine the multiples of 3:

Figure 1.
Least Common Multiple (LCM)

The Least Common Multiple (LCM) is the smallest nonzero multiple shared by two or more numbers.

Let's try to find the LCM of "3" and "6":

Multiples of 3: 3, 6, 9, 12, 15

Multiples of 6: 6, 12, 18, 24, 30

The LCM of 3 and 6 is 6.


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