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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク good prime ： ウィキペディア英語版 good prime A good prime is a prime number whose square is greater than the product of any two primes at the same number of positions before and after it in the sequence of primes. A good prime satisfies the inequality :$p\_n^2>p\_\; \backslash cdot\; p\_$ for all 1 ≤ ''i'' ≤ ''n''−1. ''pn'' is the ''n''th prime. Example: The first primes are 2, 3, 5, 7 and 11. As for 5 both possible conditions :$5^2\; >3\; \backslash cdot\; 7$ :$5^2\; >2\; \backslash cdot\; 11$ are fulfilled, 5 is a good prime. There are infinitely many good primes. The first good primes are :5, 11, 17, 29, 37, 41, 53, 59, 67, 71, 97, 101, 127, 149 . ==References== 〔 fr:Liste de nombres premiers#Bon nombre premier 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「good prime」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.