Question

Find the square root of 257 by prime factorisation method..

Answer 1

Step by step explanation

1. 257 is a prime number

2. The exponent of prime number257 is 1 adding 1 to that exponent we ge 1+1=2

3. Factors of 257:1,257

4.factors pairs 257= 1×257

5. 257 has no square factors that allow its square root to be simplified.root 25≈16.031