Number Theory

    

Primes Obtained Concatenating Two Consecutive Primorial Numbers Then Adding or Subtracting 1

Authors: Marius Coman

In this paper I state the following two conjectures: (I) There exist an infinity of primes obtained concatenating two consecutive primorial numbers and adding 1 to the resulted number; example: concatenating the tenth and eleventh primorials then adding 1 is obtained the prime 6469693230200560490131; (II) There exist an infinity of primes obtained concatenating two consecutive primorial numbers and subtracting 1 from the resulted number; example: concatenating the ninth and tenth primorials then subtracting 1 is obtained the prime 2230928706469693229.

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Submission history

[v1] 2016-04-13 19:31:28

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