Number Theory

   

Large Primes Obtained Concatenating the Numbers P-D(k) Where D(k) Are the Prime Factors of the Poulet Number P

Authors: Marius Coman

In this paper I conjecture that there are an infinity of primes which can be obtained concatenating the numbers P - d(1); P - d(2); ...; P – d(k); P, where d(1), ..., d(k) are the prime factors of the Poulet number P. Example: using the sign “//” with the meaning “concatenated to”, for the Poulet number 129921 (= 3*11*31*127), the number (129921 – 3)//(129921 – 11)//(129921 – 31)//(129921 – 127)//129921 = 129918129910129890129794129921 is prime. Note that such primes are obtained for 10 from the first 90 Poulet numbers!

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Submission history

[v1] 2017-06-05 05:55:08

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