#include<stdio.h>
int main(void)
{
int i,m;
printf("Enter anumber:");
scanf("%d",&m);
for(i=2;i<=m/2;i++)
if(m%i==0)
break;
if(i>m/2&&m!=1)
printf("%d is a prime number!\n",m);
else
printf("NO!\n");
return0;
}
posted on
2013-10-07 22:03yy99
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