Both arithmetic aficionados and the mathematically challenged will be equally captivated by new research that upends hundreds of years of popular belief about prime numbers. Contrary to what just ...

Prime numbers are only divisible by themselves and one. Robert Brook via Getty Images In the 17th century, French monk and mathematician Marin Mersenne developed a method to find prime numbers: values ...

There are three kinds of prime numbers. The first is a solitary outlier: 2, the only even prime. After that, half the primes leave a remainder of 1 when divided by 4. The other half leave a remainder ...