410

# include<stdio.h>
# include<math.h>
int main(void)
{
    int count,i,m,n;
    count=0;
    for(m=2;m<=100;m++){
        n=sqrt(m);
        for(i=2;i<=n;i++)
            if(m % i==0)
                break;
            if(i>n){
                printf("%6d",m);
                count++;
                if(count % 10==0)
                    printf("\n");
            }
    }
    printf("\n");
    return 0;
}