On 9 May 2016, 13:07:05 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime:
The prime is 1,021,090 digits long and enters Chris Caldwell's The Largest Known Primes Database ranked 154th overall.
The discovery was made by Andreas Mueller (Andreas) of Germany using an Intel(R) Pentium(R) CPU G2130 @ 3.20GHz with 8GB RAM, running Microsoft Windows 7 Enterprise. This computer took about 2 hours 28 minutes to complete the primality test using LLR.
The prime was verified on 12 May 2016, 16:24:32 UTC, by Stephane Guichard (stef71000) of France using an Intel(R) Core(TM) i7-6700K CPU @ 4.00GHz with 16GB RAM, running Microsoft Windows 10 Professional. This computer took about 2 hours 31 minutes to complete the primality test using LLR. Stephane is a member of the L'Alliance Francophone team.
For more details, please see the official announcement.