Authors: Marius Coman
In this paper I make the following observation: there are many primes among the numbers of the form p*q + 10^k, where p and q are emirps (reversible primes but different one from the other) and k is a positive integer; to highlight the observation I will search the least k for which the number p*q + 10^k is prime, for few pairs of emirps [p, q].
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[v1] 2016-03-04 11:30:05
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