Answer Posted / rupamrox

#include<stdio.h>
#include<conio.h>
main()
{
int i,j,prime;
clrscr();
for(i=2;i<20;i++)
{
prime=1;
for(j=2;j<i;j++)
{
if(i%j==0)
prime=0;
}
if(prime==1)
printf("%d",i);
}
getch();
}

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