素数表

#include<stdio.h> void main() {int x,i,j,count=0,a=1;int primes[50];scanf("%d",&x);for(i=2;i<=x;i++){for(j=2;j<i;j++){if((i%j)==0)break;}if(j==i){primes[a]=i;        count=a;        a++;}}for (a=1; a<=count;a++){printf("%d", primes[a]);printf("\n");}}