Prime numbers: A refresher. Some numbers are prime, like 5 and 173. This means they can only be divided by 1 and themselves. Most numbers are not prime, like 6, which can be divided by 2 and 3.

Prime numbers are found hidden in nature, but humans have made spectacular use of them, writes mathematician Marcus du Sautoy. Ever since humans evolved on this planet we have been trying to make ...

New Delhi: In a development that has stirred the mathematical world, two researchers have taken a route to unlock hidden patterns in prime numbers – one that blends old wisdom with unexpected ...