#include
int main()
{
int x;
int count;
int isprime = 0;
for( x=1; x<=10000; x++){
for( count=2; count<=x; count++){
if(x % count==0){
isprime = 1;
break;
}
}
if( isprime == 1 ){
printf("%d\n",x);
}
}
return 0;
}
放循环里边
#include <stdio.h>
int main()
{
int count;
for(int x=2; x<=1000; x++){
int isprime = 1;
for( count=2; count<x; count++){
if(x % count==0){
isprime = 0;
break;
}
}
if( isprime == 1 ){
printf("%d\n",x);
}
}
return 0;
}