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php输出1000以内质数(素数)示例_php实例

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Release： 2016-06-07 17:21:59
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复制代码 代码如下:

for($i = 2; $i  $primes = 0;
 for($k = 1; $k  if($i%$k === 0) $primes++;
 if($primes  echo "{$i}
";
}
Related labels：
prime number
source：php.cn
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