Problem 3 题目发布于 2001-11-03 翻译更新于 2020-10-23 Problem 3 Largest prime factorThe prime factors of $13195$ are $5$, $7$, $13$ and $29$. What is the largest prime factor of the number $600851475143$? 最大质因数$13195$的质因数包括$5$、$7$、$13$和$29$。 $600851475143$的最大质因数是多少？