#include
int main()
{
int i,j=0,k=0,sum=0,a;
printf("500以内最大的十个素数是:");
for(a=500;k<10;a--)
for(i=2;i{if(a%i==0&&i{j=0;break;}if(i==a-1){k++;printf("%5d",a);sum+=a;}}}printf("\n十个素数和为:%d\n",sum); }
if(a%i==0&&i{j=0;break;}if(i==a-1){k++;printf("%5d",a);sum+=a;}}}printf("\n十个素数和为:%d\n",sum); }
j=0;
break;
}
if(i==a-1)
k++;
printf("%5d",a);
sum+=a;
printf("\n十个素数和为:%d\n",sum); }