On 22 June 2016, 12:49:45 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime:
The prime is 1,067,381 digits long and enters Chris Caldwell's The Largest Known Primes Database ranked 127th overall.
The discovery was made by Sylvanus A. Zimmerman (Van Zimmerman) of the United States using an Intel(R) Xeon(R) CPU E3-1225 v3 @ 3.20GHz with 2GB RAM, running FreeBSD 10.3. This computer took about 1 hour 27 minutes to complete the primality test using LLR. Sylvanus is a member of the Aggie The Pew team.
The prime was verified on 24 June 2016, 04:28:31 UTC, by user (13G) of the Czech Republic using an Intel(R) Core(TM) i5-2415M CPU @ 2.30GHz with 8GB RAM, running Darwin. This computer took about 2 hours 33 minutes to complete the primality test using LLR. 13G is a member of the Czech National Team.
For more details, please see the official announcement.