9.) What is the least common multiple of 4 and 123 A4 B. 12 c. 24 D48 What is the greatest common factor of 18.12.30 and 422 A. 3 B.4 C. 6 0.8 10.) What do we call the following numbers 7.11.13.19.29 and 313 A prime B. Composite C. rational decimal 11.) The numbers 24, 20.82 100 and 200 are called A prime B. composite C decimal D. rational 12.) Find the LCM of 32 and 20 A 140 B. 150 C. 160 D.170x 13.) Find the greatest common factor of 32 and 20. A. 5 B. 4 C. 3 D.2​