Question

quais divisores de 60 tbm sao de 45

Answer 1

$Div_{60}=\{1,2,3,4,5,6,10,12,15,20,30\}\\\\Div_{45}=\{1,3,5,9,15\}\\\\\\Div_{60}\cap Div_{45}=\{1,2,3,4,5,6,10,12,15,20,30\}\cap\{1,3,5,9,15\}\\\\\boxed{Div_{60}\cap Div_{45}=\{1,3,5,15\}}$