What is the least common multiple of 6 and 9?

Answer 1

The LCM of 6 and 9 is: 18

The prime factorization of 6 is 2 * 3

The prime factorization of 9 is 3 * 3

The LCM of 6 and 9 is 2 * 3 * 3 = 18

Another method is to compare the multiples of each number in the set.

The multiples of 6 are 6, 12, 18, 24, 30, and so on

The multiples of 9 are 9, 18, 27, 36, and so on

So the lowest common multiple is 18, as it's the smallest number that is in both lists.

6x1=6 6x2=12 6x3=18

9x1=9 9x2=18 9x2=18
The Least Common Multiple (LCM) for 6 9 is 18.

Answer 2

The LCM is 18, because 9 x 2 is 18 and 6 x 2 is 18 :D

Answer 3

The LCM is obtained by using the prime numbers from each set with the highest exponent value.

9 = 3 x 3 = 3^2
6 = 2 x 3

Hence LCM = 2 x 3 x 3 = 18

Answer 4

LCM(6, 9) = 18.

Answer 5

18