The first four digits of an eight-digit perfect square are 2012. Find its square root?

2 Answers
Apr 28, 2017

±2503

Explanation:

2012=22503
And 503 is a prime number
Because 222<503<232
So the square root of 2012 is
±2012=±2503

See below.

Explanation:

We have

201200004485.53

This square root can be extracted manually

https://en.wikipedia.org/wiki/Methods_of_computing_square_roots

and

44852=20115225

so the number is

448644862=20124196