What are the possible units digits of the square roots of $106276$? Is this have even square root?

What are the possible units digits of the square roots of $176400$? Is this have even square root?

Find the square root of  $576$ using prime factorization.

Find the square root of $1444$ using prime factorization.

Find the square root of $2401$ using prime factorization:

Find the square root of $3,364$ using prime factorization.

Find the square root of $4,761$ using prime factorization.

Find the square root of $50,625$ using prime factorization.

Find the square root of $1,35,424$ using prime factorization.