4. 2. The common multiples of 2,3,4 and 6 are a. 12,24.26 b. 16, 20, 24 c. 40, 80, 120 d. 50, 90, 100 5. 3. The common factors of 15 and 9 is a. 3 b. 15 C. 45 d. 135 6. The least common multiple of 2, 3, 4 and 5 is a. 20 b. 30 c. 50 d. 60 7. 40 is divisible by a. 2 b. 4 C. 5 d. All of the above 8. The greatest common factor of 16, 24, and 36 a. 3 b. 4. c. 5 d. 6 9. 15 is divisible by. a. 2 b. 3 4 d. 6 10. 50 is divisible by a. 4 and 5 b. 2 and 3 c. 2 and 5 d. 3 and 4 C. 3​