Răspuns:
(48;126)=(2⁴•3;2•3²•7)=2⁴•3²•7=16•9•7=1008
(416;500)=(2⁶•3²;2²•5³)=2⁶•3²•5³=64•9•125=72000
(312;390)=(2³•3•13;2•3•5•13)=2³•3•13•5=1248