Prime numbers are tricky things. We learn in school that they’re numbers with no factors other than 1 and themselves, and that mathematicians have known for thousands of years that an infinite number ...

Is 170,141,183,460,469,231,731,687,303,715,884,105,727 prime? Before you ask the Internet for an answer, can you consider how you might answer that question without a ...

On Jan. 25, the largest known prime number, 2^57,885,161-1, was discovered on Great Internet Mersenne Prime Search (GIMPS) volunteer Curtis Cooper's computer. The new prime number, 2 ...

The Great Internet Mersenne Prime Search (GIMPS) has discovered the new largest known prime number, having 22,338,618 digits, on a university computer volunteered by Curtis Cooper for the project. The ...

The largest prime number discovered so far is 2 raised to the 57,885,161st power minus 1, or 2 57,885,161 - 1. It is 17,425,170 digits long. It was discovered by University of Central Missouri ...