On 10 May 2015, 00:56:17 UTC, PrimeGrid’s Mega Prime Search found the Mega Prime:
The prime is 1,049,517 digits long and enters Chris Caldwell's The Largest Known Primes Database ranked 109th overall.
The discovery was made by Evelyn Chew (Crackenback) of Australia using an Intel(R) Pentium(R) CPU G3220 @ 3.00GHz with 4GB RAM running Microsoft Windows 7 Enterprise. This computer took about 2 hours 37 minutes to complete the primality test using LLR. Evelyn is a member of the BOINC@AUSTRALIA team.
The prime was verified on 10 May 2015, 09:36:32 UTC, by Naoki Yoshioka (oevrtaker@biomaterial) of Japan using an Intel(R) Xeon(R) CPU E5-2687W 0 @ 3.10GHz with 64GB RAM running Microsoft Windows 8.1 Enterprise. This computer took about 1 hour and 32 minutes to complete the primality test using LLR. Naoki is a member of the Doshisha University team.
For more details, please see the official announcement.