On 25 June 2016, 09:58:06 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime:
The prime is 1,003,716 digits long and enters Chris Caldwell's The Largest Known Primes Database ranked 172nd overall.
The discovery was made by Roman Trunov (stream) of Russia using an Intel(R) Pentium(R) CPU G860 @ 3.00GHz with 6GB RAM, running Linux. This computer took about 2 hours 44 minutes to complete the primality test using LLR.
The prime was verified on 25 June 2016, 17:18:48 UTC, by Jens Riemann (gemini8) of Germany using an Intel(R) Core(TM) i7-2600K CPU @ 3.40GHz with 8GB RAM, running Linux. This computer took about 3 hours 44 minutes to complete the primality test using LLR. Jens is a member of the Rechenkraft.net team.
For more details, please see the official announcement.