ANSWER KEY Least Common Multiples Find the least common multiple (LCM) of 2 and 3. The multiples of 2 are: 2, 4, 6, 8, 10, 12, 14, 16, 18... The multiples of 3 are: 3, 6, 9, 12, 15, 18.... The common multiples of 2 and 3 are in bold. The least common multiple of 2 and 3 is 6. Find the LCM. a. 3 and 8 b. 4 and 5 c. 10 and 40 LCM = 24 LCM = 20 LCM = 40 d. 3 and 10 e. 7 and 9 f. 6 and 18 LCM = 30 LCM = 63 LCM = 18 g. 6 and 8 ` h. 4 and 9 i. 6 and 9 LCM = 24 LCM = 36 LCM = 18 j. 8 and 12 k. 6 and 5 l. 8 and 10 LCM = 24 LCM = 30 LCM = 40 Super Teacher Worksheets - www.superteacherworksheets.com