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 ...

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 ...