Find the square of $68$ using the column method.

Find the square of $34$ using the column method.

Find the square of $92$ using the column method.

Find the square of $97$ using the diagonal method.

Find the square of $59$ using the diagonal method.

Find the square $28$ using the diagonal method.

Find the square root using the prime factorisation method: $4624$

Find the square root using the prime factorisation method: $3,600$

Find the square root using the prime factorisation method: $7921$