GIMPS Discovers Largest Known Prime Number: 2136,279,841-1 BLOWING ROCK, NC, October 21, 2024 -- The Great Internet Mersenne Prime Search (GIMPS) has discovered the largest known prime number, 2136,279,841-1, having 41,024,320 decimal digits. Luke Durant, from San Jose, California, found the prime on October 12th. Luke is currently GIMPS' most prolific contributor. He is joined by thousands of vol