A new Mersenne prime discovery was announced today, with the prime number 2p − 1 for p = 2136279841.The size of the new Mersenne prime is consistent with predictions.There are now 52 known Mersenne primes, but it is not confirmed if the latest discovery is the 52nd.The latest Mersenne prime can be represented in hexadecimal as a 1 followed by 34,069,960 F’s.