Prime numbers are all the rage these days. I can tell something’s up when random people start asking me about the randomness of primes—without even knowing that I’m a mathematician! In the past couple ...

A 300-billion-digit number is the biggest known pseudoprime, a number which looks like a prime but isn’t. The techniques used to find this behemoth could help keep online transactions secure. The ...

A million-dollar puzzle relating to prime numbers could be tackled using only a mid-sized quantum computer. Instead mathematicians find ways to count primes below ever bigger values of X and compare ...

Prime numbers are more than just numbers that can only be divided by themselves and one. They are a mathematical mystery, the secrets of which mathematicians have been trying to uncover ever since ...