6. What is the Least Common Multiple (LCM) of 2 and 4? a. 2 b. 4 C. 6 d. 8 7. A common multiple of 6 and 4 is... a. 12 b. 6 C.3 d. 2 8. The LCM of 15 and 9 is ... a. 135 b. 45 C. 15 d. 3 9. The LCM of 8 and 3 is a. 24 b. 48 d. 36 10. A common multiple of 14 and 10 is a. 140 b. 70 C. 40 d. 7 C. 72