Question

The smallest number by which 2⁹²⁹⁵ *3⁷⁰⁷ * 5⁴⁰⁹ should be multiplied to make it perfect square is

Answer 1

smallest no. to be multiplied = 2×3×5 =30

when you multiply with 30 then power of 2,3,5 becomes even then it will be a perfect square