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Old 08-01-2007   #23
Sillysidley

 
Join Date: Oct 2006
Posts: 822
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Well, 2-9 can all be made (obviously) and you can get any any number higher by adding multiples of 10 (by adding 5s)
so 1.

Find

Oh, and if anyone cares, I meant to ask whats the largest number that must be a factor of any four consecutive odd numbers. (Three is too simple.)
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Last edited by Sillysidley; 08-01-2007 at 08:52 PM..
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