Prime numbers are sometimes called math’s “atoms” because they can be divided by only themselves and 1. For two millennia, ...

We all think we remember prime numbers from grade school, but just in case your memory is a little hazy, here's a quick refresher. A prime is a number that can only be divided by two other whole ...

Do periodical cicadas "know" how to calculate prime numbers? Do periodical cicadas "know" how to calculate prime numbers? One of the strangest life cycles in all of biology, explained!

The online computer game “Is this prime?” tests a player’s knowledge of prime numbers—and just surpassed 2,999,999 attempts. Give it a whirl. The Greek mathematician Euclid may very well have proved, ...