エラトステネス | 数学の星 https://math-jp.net 数とはなにか、無限とはなにか Thu, 16 Nov 2017 12:25:55 +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 エラトステネス | 数学の星 https://math-jp.net 32 32 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 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 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