For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

Prime numbers are sometimes called math’s “atoms” because they can be divided by only themselves and 1. For two millennia, mathematicians have wondered if the prime numbers are truly random, or if ...

The world's largest known prime number has been discovered, but we can't show it because it's so large it would take up 21 standard-sized novels to turn into text. Called M136279841, its shorthand ...

The largest known prime number has been discovered by an amateur researcher and former Nvidia employee. The new number is 2 136,279,841 – 1, which beats the previous title holder (2 82,589,933 – 1) by ...