On 21 February 2017 08:08:07 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime:
The prime is 1,014,289 digits long and will enter Chris Caldwell's The Largest Known Primes Database ranked 202nd overall.
The discovery was made by Robert Lacroix (composite) of Canada using an Intel(R) Core(TM) i7-5820K @ 3.30GHz with 16GB RAM, running Linux. This computer took about 1 hour 20 minutes to complete the primality test using LLR.
The prime was verified on 21 February 2017, 08:16:49 UTC by Eric Ueda (SlangNRox) of the United States using an Intel(R) Core(TM) i7-2600K CPU @ 3.40GHz with 16GB RAM, running Microsoft Windows 10 Professional Edition. This computer took about 1 hours 40 minutes to complete the primality test using LLR. Eric is a member of the TeAm AnandTech team.
For more details, please see the official announcement.