What is the least common multiple of 30 and 18?

Answer 1

LCM is 90, which is the multiple of the highest power of prime factors in the given numbers (2 x 3^2 x 5).

First, Prime factorization of 30 and 18:

30: 2 x 3 x 5

18: 2 x 3 x 3 = 2 x 3^2

Therefore, LCM = 2 x 3^2 x 5 = 90
The Least Common Multiple of 18 and 30 is 90.
It is 90
90

Answer 2

30 = 6 x 5. 18 = 6 x 3. They have 6 in common. LCM = 6 x 5 x 3 = 90.

Answer 3

The LCM is: 90

Answer 4

LCM(18, 30) = 90.

Answer 5

90

Answer 6

6