素数 | 数学の星 https://math-jp.net 数とはなにか、無限とはなにか Sun, 28 Jul 2019 02:44:49 +0000 ja hourly 1 https://wordpress.org/?v=6.9 https://math-jp.net/wp-content/uploads/2016/12/cropped-2015-06-06-18.34.04-1-2-32x32.jpg 素数 | 数学の星 https://math-jp.net 32 32 本当に素数の出現率はベンフォードの法則に従うのか？ https://math-jp.net/2017/05/05/prime-benford/ https://math-jp.net/2017/05/05/prime-benford/#respond Fri, 05 May 2017 05:34:41 +0000 http://www.math-jp.net/?p=2228 https://math-jp.net/2017/05/05/prime-benford/feed/ 0 「数字の法則ベンフォードはなぜ？」を直感で理解する！ https://math-jp.net/2017/04/30/benfords-law/ https://math-jp.net/2017/04/30/benfords-law/#comments Sun, 30 Apr 2017 02:22:03 +0000 http://www.math-jp.net/?p=2208 https://math-jp.net/2017/04/30/benfords-law/feed/ 1 末尾の数で素数の確からしさが変わるか https://math-jp.net/2017/04/15/probability-prime/ https://math-jp.net/2017/04/15/probability-prime/#respond Fri, 14 Apr 2017 22:37:00 +0000 http://www.math-jp.net/?p=2090 https://math-jp.net/2017/04/15/probability-prime/feed/ 0 素数とは何か。簡単にわかりやすく。 https://math-jp.net/2017/04/07/what-is-prime/ https://math-jp.net/2017/04/07/what-is-prime/#comments Fri, 07 Apr 2017 05:47:44 +0000 http://www.math-jp.net/?p=2010 https://math-jp.net/2017/04/07/what-is-prime/feed/ 9 エクセル（MS-EXCEL）で1億までの素数を全て求める https://math-jp.net/2017/04/02/excel-prime/ https://math-jp.net/2017/04/02/excel-prime/#comments Sun, 02 Apr 2017 00:28:51 +0000 http://www.math-jp.net/?p=1953 https://math-jp.net/2017/04/02/excel-prime/feed/ 2 算数からはじまる素数 https://math-jp.net/2017/03/15/prime-arithmetic/ Tue, 14 Mar 2017 15:10:59 +0000 http://www.math-jp.net/?p=1685 サンダラムを改良して素数を求める https://math-jp.net/2017/03/13/improve-sieve-of-sundaram/ Sun, 12 Mar 2017 17:45:10 +0000 http://www.math-jp.net/?p=1673 素数の求め方(サンダラムの篩(ふるい)) https://math-jp.net/2017/03/11/how-find-prime-sieveham/ https://math-jp.net/2017/03/11/how-find-prime-sieveham/#comments Sat, 11 Mar 2017 11:13:02 +0000 http://www.math-jp.net/?p=1642 https://math-jp.net/2017/03/11/how-find-prime-sieveham/feed/ 2 素数の求め方 https://math-jp.net/2017/03/10/how-to-find-a-prime-number/ https://math-jp.net/2017/03/10/how-to-find-a-prime-number/#comments Thu, 09 Mar 2017 15:21:17 +0000 http://www.math-jp.net/?p=1627 https://math-jp.net/2017/03/10/how-to-find-a-prime-number/feed/ 3 n^4+n^2+1が素数となるときの整数nは？(素数になりにくい多項式) https://math-jp.net/2017/03/07/polynomial-which-is-hard-to-prime/ Tue, 07 Mar 2017 14:48:27 +0000 http://www.math-jp.net/?p=1609