How do i find the LCM of 6 16 38?

Answer 1

Factor them.

2 x 3 = 6

2 x 2 x 2 x 2 = 16

2 x 19 + 38

Combine the highest amount of each factor.

2 x 2 x 2 x 2 x 3 x 19 = 912, the LCM

Answer 2

Do a Venn diagram of the prime factors of the three number and then multiply together the numbers appearing in the diagram - once for each appearance. The LCM is 912.