Question

how to find square root of a number

Answer 1

There are many steps by which you can find square root of number like
1) Prime factorization method
2) long division method
3) estimate square roots

Answer 2

by division method
first find prime factors of number they group similar number in pairs
for example 100 = 2×2×5×5
take a no only once i.e. 2×5 =10
so 10 is square root of 100