LCM B3

Find the LCM of 36 and 40 

Solution 

2	36	40
2	18	20
2	9	10
3	9	5
3	3	5
5	1	5
	1	1

LCM = 2 x 2 x 2 x 3 x 3 x 5

       = 8 x 45  (because 3 x 3 x 5=45)

       = 360

Hence LCM is 360