← Back to Test

Problem 20 - Entrance Test

What is the least common multiple (LCM) of 6 and 8?

Correct: C

To find the LCM of 6 and 8, list the multiples of each number. The multiples of 6 are 6, 12, 18, 24, etc. The multiples of 8 are 8, 16, 24, etc. The smallest number that appears in both lists is 24, so 24 is the LCM of 6 and 8.