Actually, your Python program works like a charm!

Care to explain? Does not even look like a joke to me!

Pardon my C, but your for statement lines should not be followed by ; or you are basically looping nothing.

I really have to admire the patience of the experts on this C forum!

Would an ophthalmologist be good enough?

Sounds like an interesting library. What is it called?

Doesn't look like a matter of taste!!

Sorry, Google must have that wrong then:

Here is another C compiler, just posted:
http://www.daniweb.com/forums/post448385-8.html

Doesn't look like a matter of taste then?

Does that person waving a chainsaw at you look like a man?

I think it also works with Windows or Linux OS.

Looks like a matter of taste.

I assume you are talking about whole numbers. If you remove all odd and even numbers from a set of numbers you have nothing left! However you can safely remove the number 1 and all even numbers. ...

You cannot use C to solve this problem. The highest integer value it can use is: unsigned long (32 bits) goes from 0 to 4,294,967,295 max.

There are other languages that can handle very large...

Now we have all seen that our moderators are less than perfect:
// typical example for seeded random integers in a given range

#include <stdlib.h>
#include <stdio.h>
#include <time.h> //...