If two positive integers A and B can be ex-pressed as A = xy3 and B = xiy2z; x, y being prime numbers, the LCM (A, B) is
A. xy²
B. x4y²z
C. x4y3
D. x4y3z
Answer:D
If two positive integers A and B can be ex-pressed as A = xy3 and B = xiy2z; x, y being prime numbers, the LCM (A, B) is
A. xy² B. x4y²z C. x4y3 D. x4y3z