Examine if $841$ is a perfect square.

Examine if $1089$ is a perfect square.

Find the square root of $144$ by prime factorisation method.

Find the square root of $256$ by prime factorisation method.

Find the square root of $784$ by prime factorisation method.

Find the square root of $1156$ by prime factorisation method.

Find the square root of $4761$ by prime factorisation method.

Find the square root of $9025$ by prime factorisation method.

Find the square root by long division method.

$1764$