prime number 判斷 程序分析：质数（prime number）又称素数，有无限个。一个大于1的自然数，除了1和它本身外，不能被其他自然数整除。 程序源代码： ...

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2018年10月14日 一個質數 Prime 是一個大於1 且無法找到除了自己本身和1之外的自然數能整除它的自然數 舉例來說 2 3 5 7 11 13和17均為質數 質數是數學上的難題  程序分析 质数 prime number 又称素数 有无限个 一个大于1的自然数 除了1和它本身外 不能被其他自然数整除 程序源代码   2016年3月15日 把从2 开始的 某一范围内的正整数从小到大顺序排列 剩下的数中选择最小的素数 然后去掉它的倍数 依次类推 直到循环结束 一個大於1的自然數 如果除了1和它本身之外 再也沒有其他因數 我們就稱它為質數 prime number 例如 小於10的質數有2 3 5 7 另外 我們知道除了  2018年10月14日 一個質數 Prime 是一個大於1 且無法找到除了自己本身和1之外的自然數能整除它的自然數 舉例來說 2 3 5 7 11 13和17均為質數 質數是數學上的難題 

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  • ultra2591
    5.0 out of 5 starsVerified Purchase
    判断质数的几种方法
    Reviewed in the Thailand on July 6, 2025
    接下來要介紹的演算法有：從小到大列出質數（建立質數表）、判斷一個數是不是質數（質數測試）、使用乘法湊得給定的數（質因數分解）。 prime generation: sieve of Eratosthenes.
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  • pro_2429
    1.0 out of 5 starsVerified Purchase
    質數(Prime Number)
    Reviewed in the Thailand on July 17, 2025
    2018年6月10日 — 质数又称素数。一个大于1的自然数，除了1和它自身外，不能被其他自然数整除的数叫做质数；否则称为合数。 · 0和1既不是质数也不是合数，最小的质数是2 ...
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  • winner3776
    1.0 out of 5 stars
    判断一个数是不是质数(素数)，3种方式介绍原创
    Reviewed in the Thailand on June 25, 2025
    2018年6月10日 — 质数又称素数。一个大于1的自然数，除了1和它自身外，不能被其他自然数整除的数叫做质数；否则称为合数。 · 0和1既不是质数也不是合数，最小的质数是2 ...
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