On 20 June 2016, 12:52:22 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime:
The prime is 1,048,427 digits long and enters Chris Caldwell's The Largest Known Primes Database ranked 143rd overall.
The discovery was made by Scott Brown (Scott Brown) of the United States using an Intel(R) Core(TM) i5-2400S CPU @ 2.50GHz with 4GB RAM, running Microsoft Windows 10 Enterprise. This computer took about 2 hours 23 minutes to complete the primality test using LLR. Scott is a member of the Duke University.
For more details, please see the official announcement.