What is the newest prime?

As of now, the newest and largest known prime number is 2^77,232,917 - 1, which has 23,249,425 digits. It was discovered on December 7, 2018, by the Great Internet Mersenne Prime Search (GIMPS) project. This prime number belongs to a special class called Mersenne primes, which are prime numbers that can be written in the form 2^n - 1. The search for new prime numbers, especially Mersenne primes, continues to be an active area of research in mathematics and computer science.