On 26 November 2016, 05:43:10 UTC, PrimeGrid’s Generalized Fermat Prime Search found the Generalized Fermat mega prime:
The prime is 1,002,270 digits long and enters Chris Caldwell's The Largest Known Primes Database ranked 19th for Generalized Fermat primes and 196th overall.
The discovery was made by Eric Eskam (Doc No) of the United States using an NVIDIA GeForce GTX 580 in an Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz with 8GB RAM, running Microsoft Windows 10 Professional. This GPU took about 25 minutes to probable prime (PRP) test with GeneferOCL4. Eric is a member of the Heinlein Fans team.
The was verified on 29 November 2016, 00:17:19 UTC by Brent Schneider (KWSN-SpongeBob SquarePants) of Nepal using an NVIDIA Quadro 4000 in an Intel(R) Xeon(R) W3960 CPU @ 3.47GHz with 12GB RAM, running Microsoft Windows 10 Enterprise. This GPU took about 1 hour 4 minutes to probable prime (PRP) test with GeneferOCL4. Brent is a member of The Knights Who Say Ni! team.
The PRP was confirmed prime by an Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz with 12GB RAM, running Windows 7 Professional. This computer took about 7 hours 10 minutes to complete the primality test using LLR.
For more details please see the official announcement.