You probably remember prime numbers from school. They’re numbers like 2, 3 and 17, which are only divisible by themselves and one. But the prime numbers you learned in school are puny compared to the ...

There’s a new largest known prime number in town, with a whopping 23,249,425 digits. The figure is calculated by multiplying 2 by itself 77,232,917 times and then subtracting 1. Announced on January 3 ...

JON PACE had spent 14 years searching for a monster. A finance manager at FedEx in Memphis, Tennessee, he was more comfortable trawling through spreadsheets than hunting exotic beasts. He also ...