On 14 March 2017 09:23:13 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime:
The prime is 1,016,883 digits long and will enter Chris Caldwell's The Largest Known Primes Database ranked 205th overall.
The discovery was made by Andreas Rohmann (Andreas Rohmann) of Germany using an Intel(R) Core(TM) i7-4771 @ 3.50GHz with 32GB RAM, running MacOS. This computer took about 2 hours 28 minutes to complete the primality test using LLR.
The prime was verified on 14 March 2017 16:51:12 UTC by Wolfgang Schwieger (DeleteNull) of Germany using an Intel(R) Core(TM) i7-3930K CPU @ 3.20GHz with 64GB RAM, running Microsoft Windows 10 Professional Edition. This computer took about 1 hour 30 minutes to complete the primality test using LLR. Wolfgang is a member of the SETI.Germany team.
For more details, please see the official announcement.