On 1 December 2014, 8:02:57 UTC, PrimeGrid’s Mega Prime Search found the Mega Prime:
The prime is 1,022,199 digits long and enters Chris Caldwell's The Largest Known Primes Database ranked 107th overall.
The discovery was made by John Christy (John Christy) of the United States using an Intel(R) Xeon(R) CPU E31220 @ 3.10GHz with 8GB RAM running Linux. This computer took about 1 hour 27 minutes to complete the primality test using LLR. John is a member of the USA team.
The prime was verified on 3 December 2014, 21:47:43 UTC, by Scott Bedenbaugh (PixelSmasher8) of the United States using an AMD FX(tm)-8320 Eight-Core Processor with 16 GB RAM running Microsoft Windows 7 Professional. This computer took about 4 hours and 54 minutes to complete the primality test using LLR. Scott is a member of the SEACOAST -- SouthEAst COalition of Alien Signal Trackers team.
For more details, please see the official announcement.