Question

Repede ! Daca a·b= 576 si [a,b]=72 atunci (a,b)=?

Answer 1

a x b=(a,b) x [a,b] ==> (a,b)=(a x b)/[a,b]

Answer 2

     
$(a, \;b)= \frac{a\; \cdot \;b}{[a, \; b]} = \frac{576}{72} = \boxed{8}$