2016•Unpublished venueOpen access
Three sequences obtained concatenating P-1 with 1 and 11 respectively P+1 with 11 where P Poulet numbers
Marius Coman
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Abstract
In this paper I make the following three conjectures: (I) there exist an infinity of primes obtained concatenating the number P – 1 to the right with 1, where P is a Poulet number; (II) there exist an infinity of primes obtained concatenating the number P – 1 to the right with 11, where P is a Poulet number; (III) there exist an infinity of primes obtained concatenating the number P + 1 to the right with 11, where P is a Poulet number.