And the largest prime number is...

...Way, way, WAY too big to post here. It's a whopping 17,425,170 digits long, which I honestly can't even begin to picture in my mind. I mean, 100,000,000,000,000 (trillion) is only 15 digits long and that's a large number in its own right. The actual prime number is 2^57,885,161minus 1 aka absolutely absurd. To find the number, Curtis Cooper ran 1,000 computers at 150 trillion calculations per second for 39 straight days.

Let's start the calculation:

2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2.....