On 23 June 2016, 09:03:40 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime:
The prime is 1,072,776 digits long and enters Chris Caldwell's The Largest Known Primes Database ranked 125th overall.
The discovery was made by Milan Fňašek (RNDR. MF1) of the Czech Republic using an Intel(R) Core(TM) i5-3470 CPU @ 3.20GHz with 8GB RAM, running Microsoft Windows 7 Professional. This computer took about 1 hour 22 minutes to complete the primality test using LLR. Milan is a member of the Czech National Team.
The prime was verified on 23 June 2016, 21:44:24 UTC, by Walter Darimont (Walter Darimont) of Belgium using an Intel(R) CPU @ 2.66GHz with 4GB RAM, running Linux. This computer took about 4 hours 26 minutes to complete the primality test using LLR. Walter is a member of the Aggie The Pew team.
For more details, please see the official announcement.