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函数———判断素数
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一、目的
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通过编写代码来判断一个数字是否为素数。
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二、代码
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#include<stdio.h>
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int main()
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{
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int a=0;
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int num;
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scanf("%d",&num);
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for(int i=2;i<num;i++)
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{
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if(num%i==0)
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a++;
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}
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if(a==0)
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{
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printf("%d是素数",num);
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}
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else
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printf("%d不是素数",num);
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return 0;
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}
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