Question

square root of 1521 in full method

Answer 1

1521 / 3 = 507 

507 / 3 = 169 

169 is 13 * 13 (it helps to know some of these) 

So, the square root of 1521 is 3 * 13 (because there are two of each of these prime factors), which is 39.

Answer 2

hope this helps you
pls mark as brainliest