On 4 November 2016, 06:03:37 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime:
The prime is 1,001,686 digits long and will enter Chris Caldwell's The Largest Known Primes Database ranked 196th overall.
The discovery was made by Paul Mazumdar (pm107) of the United Kingdom using an Intel(R) Core(TM) i5-4590 CPU @ 3.30GHz with 16GB RAM, running Windows 10 Education Edition. This computer took about 1 hour 5 minutes to complete the primality test using LLR. Paul is a member of the University of Cambridge team.
The prime was verified on 4 November 2016, 14:34:01 UTC by Toshitaka Kumagai (Toshitaka Kumagai) of Japan using an Intel(R) Xeon(R) CPU E5-2643 @ 3.30GHz with 256GB RAM, running Windows 10 Core Edition. This computer took about 1 hour 22 Minutes to complete the primality test using LLR.
For more details, please see the official announcement.