On 17 October 2017, 13:48:48 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime:
The prime is 1,034,334 digits long and will enter Chris Caldwell's The Largest Known Primes Database ranked 208th overall.
The discovery was made by Randall Scalise (Randall J. Scalise) of the United States using an Intel(R) Core(TM) i5-4590 CPU @ 3.30GHz with 8GB RAM, running Linux. This computer took about 1 hour 6 minutes to complete the primality test using LLR.
The prime was verified on 17 October 2017, 14:57:02 UTC by Amy Chambers (Buckeye74) of the United States using an Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz with 16GB RAM, running Microsoft Windows 10 Core Edition. This computer took about 1 hour 13 minutes to complete the primality test using LLR. Amy is a member of the Sigma Omicron Chapter of Tau Kappa Epsilon team.
For more details, please see the official announcement.