判断素数求告知错误处

Question

求告知错误处

Answer 1

#include <stdio.h>
int main()
{
int m, i, k = 0;
scanf("%d", &m);
for (i = 1; i <= m; i++)
{
if (m % i == 0)
{
k++;
}
}
if (k == 2)
{
printf("YES\n");
}
else
{
printf("NO\n");
}
return 0;
}