What is the square route of 4761
$${factor}{\left({\mathtt{4\,761}}\right)} = {{\mathtt{3}}}^{{\mathtt{2}}}{\mathtt{\,\times\,}}{{\mathtt{23}}}^{{\mathtt{2}}}$$
so
$$\sqrt{4761}=\sqrt{3*3*23*23}=3*23=69$$