First base 5 mega prime found! On 4 December 2013, 20:53:51 UTC, PrimeGrid’s Sierpinski/Riesel Base 5 Problem project eliminated k=173198 by finding the mega prime: 173198*5^1457792-1 The prime is 1,018,959 digits long and enters Chris Caldwell's The Largest Known Primes Database ranked 67th overall. This is the first known base 5 mega prime. 88 k's now remain in the Riesel Base 5 Problem. The discovery was made by Motohiro Ohno (syusui) of Japan using an Intel(R) Core(TM) i3-2120 CPU @ 3.30GHz with 4GB RAM running Microsoft Windows 7 Home Premium. This computer took about 22 hours and 29 minutes to complete the primality test using LLR. Motohiro is a member of the Team 2ch team. The prime was verified on 6 December 2013 5:27:38 UTC, by Scott Brown (Scott Brown) of the United States using an Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz with 8 GB RAM running Microsoft Windows 7 Home Premium. This computer took about 33 hours and 22 minutes to complete the primality test using LLR. Scott is amember of the Duke University team. For more details, please see the official announcement. 18 Dec 2013 | 3:53:50 UTC
>>442 Intel Core i7-4930K ASUS P9X79 PRO G. SKILL [Ares] F3-1866C10Q-32GAB MSI N780GTX Lightning(x2) ENERMAX Platimax EPM850EWT Lian Li Challenger7 ほ…欲しいです、合計約32万〜
来年初めのプラグリチャレンジは、 GFN WRのYear of the Horse Stallion Edition Challengeと GFN ShortのYear of the Horse Pony Edition Challengeの同時進行とのこと。 対象がメチャクチャ硬いGFNなので期間は１５日間です。