Prime numbers have been investigated for more than 2,000 years, since at least the era of the ancient Greek mathematician Euclid. There are infinitely many, but what is the largest known prime number?

The discovery of the largest prime number ever found has just been announced to the world. 2 136,279,841 -1, known as M136279841, was found by amateur “prime-hunter” Luke Durant on October 11 ...

New largest prime number is over 22 million digits long 00:42. Math lovers rejoice at this mind-boggling discovery. A professor at the University of Central Missouri harnessed the power of a ...

A small portion of the 17 million digits in the number 2 multiplied by itself 57,885,161 times minus 1 -- the first Mersenne prime discovered in four years.

Another visit to the prime number theorem shows there are approximately 10 17,425,163 primes less than the next-largest known prime. That sounds impressive until you realize 10 17,425,163 is less ...

Meet the new largest known prime number. It starts with a 4, continues on for 23 million digits, then ends with a 1. As is true with all prime numbers, it can only be evenly divided by one and itself.

Largest Prime Number Ever Identified—And It's 22 Million Digits Long. Published Jan 20, 2016 at 12:21 PM EST Updated May 16, 2016 at 4:15 AM EDT.

In case you’ve forgotten high school math, a prime number is a whole number larger than one that can be divided by only one and itself. The new largest prime number has 22,338,618 digits.

Breaking nerd news: “The largest prime number has been discovered—and it’s 17,425,170 digits long,” NBC News reports. “The new prime number crushes the last one discovered in 2008, which ...

The largest prime number yet has been discovered -- and it's 17,425,170 digits long. The new prime number crushes the last one discovered in 2008, which was a paltry 12,978,189 digits long.

The largest prime number yet has been discovered — and it's 17,425,170 digits long. The new prime number crushes the last one discovered in 2008, which was a paltry 12,978,189 digits long.