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 ...

A prime number is a whole number greater than one that has exactly two factors. Those two factors are one and the number itself. This definition is found across many school curriculums. Examples ...

Is 170,141,183,460,469,231,731,687,303,715,884,105,727 prime? Before you ask the Internet for an answer, can you consider how you might answer that question without a ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Thousands of computers across the world are currently scouring the number line in a scavenger hunt for rare mathematical gems. Enthusiasts looking for larger and larger prime numbers, which are ...