70 a

70 a

chiph588 16 Sep 2008 00:07

Any tips on 70 a?. For some reason I've been stuck on this one for way too long.

Re: 70 a

jensberg 16 Sep 2008 04:50

Try using small numbers to find a counterexample. Both of the ones I managed to come up with (though I'm sure there are many more) involve even numbers.

Re: 70 a

chiph588 16 Sep 2008 05:16

wow!, i never even saw that it wasn't necessarily true… i need to read more carefully i suppose.