WHEN a number is given, and it is required, without the aid of tables, to find its factors, there is nor, I believe, any other method known except the simple but laborious one of dividing it by every ...

Here’s a number to savor: 2 43,112,609-1. Its size is mind-boggling. With nearly 13 million digits, it makes the number of atoms in the known universe seem negligible, a mere 80 digits. But its true ...

An odd new paper without peer review claims prime numbers have "genes," "roots," and “offspring." Prime numbers are essential to modern life because they underpin all of encryption. What is written ...