Write the possible ones digit of the square root of $5329$.

Write the possible ones digit of the square root of $21904$.

Write the possible ones digit of the square root of $7921$.

Write the possible ones digit of the square root of $9025$.

Write the possible ones digit of the square root of $52900$.

Write the possible ones digit of the square root of $217156$.

Find the square root of $1764$ by prime factorisation method.

Find the square root of $3969$ by prime factorisation method.