LEARN MATH STEP BY STEP THROUGH VERY EASY PROCESS

LCM BY DIVISION METHOD

__LCM by Division Method__

**1) Find LCM of three numbers 20, 40, 60 through the division
method.**

**Divide all the
numbers same time by lowest/smallest prime number, which can divide at least
one number and convert the number at that position which can not be divided
further –**

**Continue division by the
possible smallest common prime numbers till the last step whether the last row
contains prime numbers.**

**On the next step
multiply all the factors and the prime numbers of the last row to get LCM.**

**
**

**So, LCM of these
three numbers – 2 x 2 x 5 x 1 x 2 x 3 = 120 (Ans.)**