Question

What is the least common multiple of 2, 10 and 15?

Answer 1

Explanation:

2: 2,4,6,8,10,12,14,16,18,20,22,24,26,28,30

10: 10, 20, 30

15: 15, 30

The LCM is 30

Answer 2

30

Explanation:

2 = 1 x 2

10 = 2 x 5

15 = 3 x 5

LCM (2,10,15) = 1 x 2 x 3 x 5 =

2 x 3 x 5 =

6 x 5 =

30

Hope that helps!