Código (c) [Seleccionar]
#include <stdio.h>
int main()
{
signed int i, n, cont, j;
printf("Ingrese n : ",n);
scanf("%d", &n);
for(i = 2; i <= n; i++)
{
cont = 0;
for(j = 1; j <= i; j++)
{
if(i % j == 0)
{
cont++;
}
}
if(cont <= 2)
printf("%d\n", i);
}
while(getchar() != '\n');
getchar();
return 0;
}