Today, people use complex computing networks to search for prime numbers with millions of digits. But early mathematicians were running these calculations by hand.

A basic feature of number theory, prime numbers are also a fundamental building block of computer science, from hashtables to cryptography.

Prime numbers are a central topic of study in math. Despite being an object of fascination for millennia, there are still a lot of unsolved problems involving primes. Prime numbers are one of the ...

The online computer game “Is this prime?” tests a player’s knowledge of prime numbers—and just surpassed 2,999,999 attempts. Give it a whirl.

Math enthusiasts challenge one another to find special prime numbers, including those that are palindromes and Smarandache numbers ...

Today, people use complex computing networks to search for prime numbers with millions of digits. But early mathematicians were running these calculations by hand.