If you ever get to spend time with me in a professional capacity, at some point you're gonna notice my attachment -- nay, my blind obedience-- to the numbers three, five and seven. It's not OCD.

Kaisa Matomäki has proved that properties of prime numbers over long intervals hold over short intervals as well. The techniques she uses have transformed the study of these elusive numbers. This ...

If you’ve spent any time around prime numbers, you know they’re a pretty odd bunch. (Get it?) But it turns out that they’re even stranger than we knew — until recently. According to this very readable ...

If you've graduated high-school and you're reading this article, you probably at least know the following about prime numbers: Primes are the set of all numbers that can only be equally divided by 1 ...

A new proof has debunked a conspiracy that mathematicians feared might haunt the number line. In doing so, it has given them another set of tools for understanding arithmetic’s fundamental building ...

One of the oldest unsolved problems in mathematics is also among the easiest to grasp. The weak Goldbach conjecture says that you can break up any odd number into the sum of, at most, three prime ...

A prime number is a whole number, greater than 1, that only has two factors. A factor is a number that divides another number evenly, with no remainder or decimal. The factors of a prime number are ...

There’s something odd about our arithmetic. Like Rodney Dangerfield, even numbers don’t get no respect. Start with prime numbers. A prime number has only two factors, meaning it is divisible only by ...