Prime numbers are found hidden in nature, but humans have made spectacular use of them, writes mathematician Marcus du Sautoy.

The Math Missus Sarah Smellie shows us how prime numbers keep our online shopping safe from cyber thieves and super spies.

How to discover your own prime number This month, GIMPS, the Great Internet Mersenne Prime Search, announced the discovery of the largest known prime number: 2^74,207,281-1.

Prime numbers are beautiful and fascinating – and an infuriating puzzle. Easy to define, yet rowdy and disordered, the primes have no evident pattern. The more of them you list, the more erratic ...

A new largest prime number can now enter the record books. But at 22 million digits, we’re going to need a bigger book. The newest massive prime, though indivisible by any number other than 1 ...