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(just those submitted by Rivera)
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The hardware and software on this system was updated September 4th.  Please let me know of any problem you encounter. <caldwell@utm.edu>

Just showing those entries submitted by 'Rivera': (Click here to show all)

+ Choose any digit d of this number; there is always a matching d spaced d digits apart from it (either to the left or the right), and none of these interceding digits are d. There is no smaller prime for which this is true. [Rivera]




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