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package xiangmu;
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public class Ceshi {
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public static void main(String args[]) {
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// 标志变量法判断质数
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// 质数：只能被 1 和 自己 整除的正整数
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int shuzi = 97;
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int biaozhi = 0;
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for(int i=2; i<shuzi; i++) {
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if(shuzi % i == 0) {
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biaozhi = 1;
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break;
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}
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}
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if(biaozhi == 0) {
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System.out.println(shuzi + "是一个质数！");
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}else {
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System.out.println(shuzi + "不是质数！");
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}
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}
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}
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