Input a number and store all the prime number between that number.
#include <stdio.h>
#include <conio.h>
void main ( )
{
int n, md, no, co, fl, c = 1;
clrscr ( );
printf ("\n\t Enter a number........:"); scanf ("%d",& no);
printf ("\n\n\t\t\t All Prime numbers from 1 to %d\n\n", no);
for ( n = 1; n <= no; n++ )
{
fl = 0;
for ( co = 2; co < n; co++ )
{
md = n % co;
if ( md == 0 )
{
fl = 1;
break;
}
}
if ( fl == 0 )
printf (" %5d \t ", n);
if ( c % 2500 == 0 )
{
printf ("\n\t Press any key to continue");
getch ( );
clrscr ( );
printf ("\n\n\t\t\t All Prime numbers from 1 to %d\n\n", no);
}
c ++;
}
getch ( );
}
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