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HELP NEEDED... simple formula but hard question...
Posted:
Jul 21, 1996 5:43 AM


Hi everyone, I am trying to solve a very simple problem, but I thought it is easy but I can't solve it. If anyone could help or tell me that this simple problem is undecidable... or not ... Let take n an integer different from zero. I want to know if there exist k a natural number such that 1<= k < n, and such that (nk) divides (2k+3)...
This seems to be a very simple problem but I can't solve it and unfortunatly, I need to know an algorithm whose output will be yes or no. This problem is a part of another problem that's why I need to solve it.
Be careful, this problem is much more complicated than what you'll think first :))))
Thanks in advance,
Fabien F. 



