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Old 2010-11-08, 20:50   #2
gd_barnes's Avatar
May 2007
Kansas; USA

3×3,449 Posts

Very provocative questions.

I think that base 280 on both sides should be the toughest. I have no idea how high the final prime will need to be. My guess is that it will be something much greater than a googol (10^100) digits long.

Last fiddled with by gd_barnes on 2010-11-08 at 23:35
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