The book is now available! 608844043
(just those submitted by Rivera)
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We will be updating our hardware on Thursday September 4 at about 9am CDT (2pm GMT).   Submissions will be turned off about one hour before that time.  Downtime should be brief.
Chris K. Caldwell <caldwell@utm.edu>

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

+ The values of + 608844043, 6 + 08844043, 60 + 8844043, 608 + 844043, 6088 + 44043, 60884 + 4043, 608844 + 043, 6088440 + 43, and 60884404 + 3 are primes. No larger prime with this property is known. [Rivera]




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