mathematics number theory prime numbers twin primes conjecture All topics More than 2,000 years ago, the Greek mathematician Eratosthenes came up with a method for finding prime numbers that continues ...

A prime number is a number that is only divisible by one and itself, which is essentially saying that it has no divisor. That takes half of all possible numbers off the table right away (the evens), ...

In the early 1970s mathematician Donald Knuth spent a sabbatical with his wife in Norway. The time was meant to be spent relaxing. Yet one night he woke up his partner in a state of agitation. He ...

In 1886 the mathematician Leopold Kronecker famously said, “God Himself made the whole numbers — everything else is the work of men.” Indeed, mathematicians have introduced new sets of numbers besides ...

A price multiple is any ratio that uses the share price of a company in conjunction with some specific per-share financial metric for a valuation measure.

You aren’t alone. I like the volume set to even numbers or multiples of five, and get really twitchy when these conditions aren’t met. I dislike prime numbers especially (I am still a bit funny about ...