Question

What is the least number divisible by 2,3,5,and 8?

Answer 1

2, 4, 6, 8, 10, 12, 14, 16, 18, 20 . . .

3, 6, 9, 12, 15, 18 . . .

5, 10, 15 . . .

8, 16 . . .

Continue these sequences until you find a common number.

Answer 2

Find L.C.M. of numbers:
2=2
3=3
5=5
8=2*2*2
Least number is = 2*3*5*2*2 =120
Answer is = 120