# Q) If two positive integers a and b are written as a=$$x^3y^2$$ and b=$$xy^3$$; $$x, y$$ are prime numbers, then HCF (a,b) is 1) $$xy$$ 2) $$xy^2$$ 3) $$x^3y^3$$ 4) $$x^2y^2$$

a = $$x^3y^2$$ =$$x*x*x*y*y$$
b = $$xy^3$$ =$$x*y*y*y$$
HCF =$$x * y * y$$ = $$xy^2$$