The prime is 1,170,884 digits long and enters Chris Caldwell's The Largest Known Primes Database ranked 54th overall. This is the largest known base 5 mega prime. 81 k's now remain in the Riesel Base 5 Problem.
The discovery was made by Guo Hua Miao (前朝遗少) of China using an Intel Xeon CPU E5-4617 @ 2.90GHz with 516GB RAM running Linux. This computer took about 25 hours and 24 minutes to complete the primality test using LLR. 前朝遗少 is a member of Team China.