If two positive integers a and b are written as a=x3y2 and b x5y3 then the HCF of a and b is

>

If two positive integers a and b are written as a = x 3 y 2 and b = xy 2 where x , y are prime numbers, then HCF a , b isA. XyB. x y2C. x3 y3D. x2 y2