Question

Josh is trying to find the least common multiple (LCM) of 6 and 8. His work is shown at the right. What is Josh's mistake?

Explain how to find the correct LCM of 6 and 8.

Answer 1

Answer: C is the valid answer to the mistake part

Explanation:

6: 2x 3

8: 2x 2 x 2

all together: 2x2x2x2x3 = 48

They were finding the prime factorization and what they were trying to find was the lcm.

Answer 2

24 because that’s the first multiple they both share