Now, Can You Find Its Square Root?

The New York Times reports:

An eye surgeon in Germany has discovered the world’s largest known prime number – or at least his computer did. …

The number, rendered in exponential shorthand, is 225,964,951-1. It has 7,816,230 digits, and if printed in its entirety, would fill 235 pages of this newspaper.

You too can join the search for more prime numbers.