(A;b)*[a;b]=a*b
15*360= a*b
A*b=5400
(A;b)=15 =>a=15x b=15y (x,y)=1
15x*15y=5400 =>x*y=24
Pt x=1 => a=15
Y=24=>b=360
Pt x=3 =>a=45
Y=8=>b=120
PT x=8=> a=120
Y=3=>b=45
Pt x=24=>a=360
Y=1=>b=15
