Image made with elements from Canva. Let’s go back to grade school—do you remember learning about prime numbers? They’re numbers that can only be divided by themselves and one. So 2, 3, 5, 7, 11, and ...

Find one million consecutive positive numbers, none of which are prime. Ancient math tells us that prime numbers (2, 3, 5, 7, 11, ...,), which have no factors except for 1 and themselves, go on ...

In an ingenious Reddit post this week, user Gedanke shared an image of a “Gaussian Prime that looks like Gauss.” That’s it up there, in all its glory. So who’s the guy in the picture? Carl Friedrich ...