{"id":382,"date":"2013-04-06T12:37:00","date_gmt":"2013-04-06T04:37:00","guid":{"rendered":"http:\/\/nike0good.jp1.rpvhost.net\/286"},"modified":"2013-04-06T12:37:00","modified_gmt":"2013-04-06T04:37:00","slug":"pe_47_distinct_primes_factors-python_array","status":"publish","type":"post","link":"https:\/\/nike0good.com\/?p=382","title":{"rendered":"PE 47(Distinct primes factors-Python\u6570\u7ec4)"},"content":{"rendered":"<div id=\"content\" style=\"margin:40px auto; max-width:1000px; padding:10px; font-family:'Trebuchet MS',sans-serif; font-size:14px\">\n<h2 style=\"margin:0px; font-family:Arial,helvetic,sans-serif; padding:10px 0px 5px; color:rgb(107,78,61)\">\nDistinct primes factors<\/h2>\n<div class=\"info\" style=\"position:relative; width:200px; margin-bottom:10px\">\n<h3 style=\"margin:0px; font-family:'Courier New',monospace; color:rgb(102,102,102)\">\nProblem 47<\/h3>\n<\/div>\n<div class=\"problem_content\" style=\"font-size:16px; border-style:solid; border-width:1px; border-color:rgb(221,221,221) rgb(170,170,170) rgb(170,170,170) rgb(221,221,221); padding:10px\">\n<p>The first two consecutive numbers to have two distinct prime factors are:<\/p>\n<p style=\"margin-left:100px\">14 = 2&nbsp;<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/nike0good.jp1.rpvhost.net\/wp-content\/uploads\/csdn\/other_site\/projecteuler_net_symbol_times.gif\" width=\"9\" height=\"9\" alt=\"\u00d7\" border=\"0\" style=\"border:0px; vertical-align:middle\" \/>&nbsp;7<br \/>\n15 = 3&nbsp;<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/nike0good.jp1.rpvhost.net\/wp-content\/uploads\/csdn\/other_site\/projecteuler_net_symbol_times.gif\" width=\"9\" height=\"9\" alt=\"\u00d7\" border=\"0\" style=\"border:0px; vertical-align:middle\" \/>&nbsp;5<\/p>\n<p>The first three consecutive numbers to have three distinct prime factors are:<\/p>\n<p style=\"margin-left:100px\">644 = 2\u00b2&nbsp;<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/nike0good.jp1.rpvhost.net\/wp-content\/uploads\/csdn\/other_site\/projecteuler_net_symbol_times.gif\" width=\"9\" height=\"9\" alt=\"\u00d7\" border=\"0\" style=\"border:0px; vertical-align:middle\" \/>&nbsp;7&nbsp;<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/nike0good.jp1.rpvhost.net\/wp-content\/uploads\/csdn\/other_site\/projecteuler_net_symbol_times.gif\" width=\"9\" height=\"9\" alt=\"\u00d7\" border=\"0\" style=\"border:0px; vertical-align:middle\" \/>&nbsp;23<br \/>\n645 = 3&nbsp;<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/nike0good.jp1.rpvhost.net\/wp-content\/uploads\/csdn\/other_site\/projecteuler_net_symbol_times.gif\" width=\"9\" height=\"9\" alt=\"\u00d7\" border=\"0\" style=\"border:0px; vertical-align:middle\" \/>&nbsp;5&nbsp;<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/nike0good.jp1.rpvhost.net\/wp-content\/uploads\/csdn\/other_site\/projecteuler_net_symbol_times.gif\" width=\"9\" height=\"9\" alt=\"\u00d7\" border=\"0\" style=\"border:0px; vertical-align:middle\" \/>&nbsp;43<br \/>\n646 = 2&nbsp;<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/nike0good.jp1.rpvhost.net\/wp-content\/uploads\/csdn\/other_site\/projecteuler_net_symbol_times.gif\" width=\"9\" height=\"9\" alt=\"\u00d7\" border=\"0\" style=\"border:0px; vertical-align:middle\" \/>&nbsp;17&nbsp;<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/nike0good.jp1.rpvhost.net\/wp-content\/uploads\/csdn\/other_site\/projecteuler_net_symbol_times.gif\" width=\"9\" height=\"9\" alt=\"\u00d7\" border=\"0\" style=\"border:0px; vertical-align:middle\" \/>&nbsp;19.<\/p>\n<p>Find the first four consecutive integers to have four distinct prime factors. What is the first of these numbers?<\/p>\n<\/div>\n<p><\/p>\n<div class=\"noprint\" style=\"text-align:center\">\n<form name=\"form\" method=\"post\" action=\"http:\/\/projecteuler.net\/problem=47\">\n<table width=\"400\" cellpadding=\"10\" align=\"center\">\n<tbody>\n<tr>\n<td>\n<table>\n<tbody>\n<tr>\n<td>\n<div style=\"text-align:right\">Answer:<\/div>\n<\/td>\n<td><strong>134043<\/strong><\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><span style=\"font-size:13px; color:rgb(153,153,153)\">Completed on Sat, 6 Apr 2013, 05:40<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/form>\n<\/div>\n<p class=\"noprint\">Go to the thread for&nbsp;<a href=\"http:\/\/projecteuler.net\/thread=47\" style=\"text-decoration:initial; color:rgb(119,119,119)\">problem 47<\/a>&nbsp;in the forum.<\/p>\n<div>\n<\/div>\n<div>\u672c\u9898\u8003\u5bdfPython\u4e2d\u6570\u7ec4\u7684\u8fd0\u7528\uff1a<\/div>\n<div>\n<pre name=\"code\" class=\"python\">n=1000000\na=[0 for i in range(n+1)]\ni=2\nwhile i&lt;=n:\n    if (a[i]==0):\n        j=2*i\n        while j&lt;n:\n            a[j]=a[j]+1\n            j+=i\n    i+=1\nfor i in range(1,n+1-3):\n    if (a[i]==4 and a[i+1]==4 and a[i+2]==4 and a[i+3]==4):\n        print i\n<\/pre>\n<\/div>\n<div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Distinct primes factors Problem 47 The first two consec [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"categories":[3],"tags":[43],"class_list":["post-382","post","type-post","status-publish","format-standard","hentry","category-defaultcategory","tag-python"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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