On 1 February 2017, 02:24:46 UTC, PrimeGrid’s Generalized Fermat Prime Search found the Generalized Fermat mega prime:
The prime is 1,003,020 digits long and enters Chris Caldwell's The Largest Known Primes Database ranked 19th for Generalized Fermat primes and 215th overall.
The discovery was made by Vince Splain (yank) of The United States using an NVIDIA GeForce GTX 980 in an Intel(R) Core(TM) i7-5960X CPU at 3.00GHz with 16GB RAM, running Microsoft Windows 7 Professional. This GPU took about 14 minutes to probable prime (PRP) test with GeneferOCL4. Vince is a member of the US Navy team.
The prime was verified on 3 February 2017, 21:17:17 UTC by William Donovan (Williamd007) of the United States using an NVIDIA GTX 960 on an AMD FX(tm)-9590 CPU with 16GB RAM, running Microsoft Windows 10 Core Edition. This GPU took about 22 minutes to PRP test with GeneferOCL4. William is a member of The Knights Who Say Ni! team.
The PRP was confirmed prime by an Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz with 16GB RAM, running Microsoft Windows 10 Professional. This computer took about 5 hours 17 minutes to complete the primality test using LLR.
For more information, please see the official announcement.