A new milestone in mathematics has been achieved with the discovery of the 52nd Mersenne prime number, (2^41,024,320-1). This gargantuan number, stretching 41,024,320 digits long, was confirmed by the Great Internet Mersenne Prime Search (GIMPS) on October 21. The finding marks a significant achievement in the hunt for Mersenne primes, with the previous record held since 2013.

Source: https://www.popsci.com/science/largest-prime-number/