Writing the shell thing.

To write a script that calculates prime numbers (primes). Khan 650) this.width=650; "src=" Http://img.baidu.com/hi/jx2/j_0016.gif "alt=" J_0016.gif "/> himself to the present, the number has no concept,

I don't know how to write it.

In the Baidu search to calculate the prime number of the script, but do not understand Ah >_<. There's no way to ^_^

Keep working on that one who said good "reading more, read more newspapers, eat less snacks, sleep more" ^_^ ^_^

Writing the shell thing.