Prime Numbers - biggest prime number so far.

Prime Numbers - biggest prime number so far.

Largest known prime number. As of January 2016 , the largest known prime number is2^74,207,281 − 1, a number with 22,338,618decimal digits. It was found in 2016 by the Great Internet Mersenne Prime Search (GIMPS). Plot of the number of digits in largest known prime by year, since the electronic computer.