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质数的判断-liu1340308350的博客-51CTO博客
source link: http://blog.51cto.com/13572850/2069540
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定义：质数（primenumber）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。（1不是质数）packagetest;publicclassHelloWorld{publicstaticvoidmain(String[]args){intN=10;//判断是否是质数的数字booleanisPrime=true;//true:是质数false:不是
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