{"height":"190","title":"Project Euler 3","width":"100%","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","blog_title":"mu chance or much chance ?","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.muchance.jp%2Fentry%2F2017%2F04%2F21%2F233000\" title=\"Project Euler 3 - mu chance or much chance ?\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["Project Euler"],"image_url":null,"url":"https://blog.muchance.jp/entry/2017/04/21/233000","version":"1.0","author_url":"https://blog.hatena.ne.jp/muchance/","blog_url":"https://blog.muchance.jp/","author_name":"muchance","published":"2017-04-21 23:30:00","description":"\u554f\u984c Problem 3\uff1aLargest prime factor The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number 600851475143 ? \u89e3\u7b54\u4f8b def primeFactorization(n): i = 2 table = [] while i * i <= n: while n % i == 0: n //= i table.append(i) i += 1 if n > 1: table.append(n) return table re\u2026"}