2. 3. 5. 7. 11. 13. 17. And so on. This is far from a comprehensive list of prime numbers—if we were to compile and write out an exhaustive list of all known prime numbers, this would be a truly ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. It’s been nearly six years since math devotees discovered the last ...

In this thread I had some naive questions about Goldbach's conjecture. Since that thread I've read more of How To Prove It, and was wondering if there was a universally agreed upon definition of a ...

CERTAIN quadratic series abound in prime numbers 1. Take, for example, the following Sequence in which the consecutive differences are 2, 4, 6, 8, etc. These are all prime numbers; the next term in ...

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 ...

In 1998, Ask Ars was an early feature of the newly launched Ars Technica. Now, as then, it's all about your questions and our community's answers. We occasionally dig into our question bag, provide ...

There's a new behemoth in the ongoing search for ever-larger prime numbers — and it's nearly 25 million digits long. A prime is a number that can be divided only by two whole numbers: itself and 1.

Trust in Bitcoin may be low following the collapse of its biggest currency exchange, but a new virtual currency has an extra draw. Riecoin is designed to help solve a mathematical mystery involving ...