Question

find the square root of 1521 by the method of prime factorisation​

Answer 1

Answer:

by removing powers and multiplying give answer 39

Answer 2

Answer:

1521

÷3

507

÷3

169

÷13

13

So 1521=13^2×3^2

=(13×3)^2

=39^2

Sqrt(1521) = 39