On 13 February 2015 16:10:21 UTC, PrimeGrid's Proth Prime Search project found a prime Fermat divisor:
267*2^2662090+1 Divides F(2662088)
The prime is 801,372 digits long and entered Chris Caldwell's The Largest Known Primes Database ranked 3rd for prime Fermat divisors and 212th overall.
The discovery was made by Jay Parangalan (stellarfirefly) of the United States using an Intel(R) Core(TM) i7-3930K CPU @ 3.20GHz with 32GB RAM running Microsoft Windows 7 Ultimate. This computer took about 2 hours 23 minutes to complete the primality test using LLR.
The prime was verified on 14 February 2015 by user Lee of the United States using an Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz with 16GB RAM running Microsoft Windows 8.1 Professional. This computer took about 2 hours 1 minute to complete the primality test using LLR.
For more details, please see the official announcement.