JEE Previous Year Question

If one wants to remove all the mass of the earth to infinity in order to break it up completely. The amount of energy that needs to be supplied will be $\frac{x}{5}\frac{{\text{GM}}^2}{R}$ where $x$ is___
(Round off to the Nearest Integer)
($M$ is the mass of earth, $R$ is the radius of earth, $G$ is the gravitational constant)

Topic: JEE PYQ

Answer: 3. Full step-by-step solution below.