A prime number is a number that is only divisible by 1 and by itself. The number 21 is not prime, because it is divisible by 3 and by 7. However, the numbers 3 and 7 themselves are both prime. On the ...

In May 2013, the mathematician Yitang Zhang launched what has proven to be a banner year and a half for the study of prime numbers, those numbers that aren’t divisible by any smaller number except 1.

A prime number has exactly two factors, itself and one. The first ten prime numbers are \({2}\), \({3}\), \({5}\), \({7}\), \({11}\), \({13}\), \({17}\), \({19 ...

Occasionally, a major mathematical discovery comes from an individual working in isolation, and this gives rise to great surprise. Such an advance was announced by Yitang Zhang six years ago. After ...

Prime numbers have fascinated mathematicians for centuries, yet many students find them intimidating. Whether you're preparing for competitive exams like JEE, solving number theory problems, or simply ...

Don't know if you've heard, but there's a new largest known prime number in town. On 26 December, mathematicians scored a late Christmas present when a computer owned by a 51-year-old engineer in the ...