Sequence of Primes: Concluding Divergence for All e>0

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Homework Help Overview

The discussion revolves around the divergence of the sequence \(\frac{n^{1+e}}{p_n}\) for all \(e > 0\), based on the divergence of the sum of the reciprocals of prime numbers, \(\sum_{\mathbb{P}}\frac{1}{p}\). Participants are exploring the connections between these concepts in the context of number theory.

Discussion Character

  • Conceptual clarification, Assumption checking, Mathematical reasoning

Approaches and Questions Raised

  • Participants discuss proving the divergence by contradiction and examine the implications of the convergence of related sums. There are inquiries about the methods used to relate the divergence of the sum of primes to the sequence in question.

Discussion Status

The discussion is active, with participants offering hints and prompting further exploration of the relationships between the sums involved. There is an emphasis on clarifying the reasoning behind the implications of divergence, but no consensus has been reached yet.

Contextual Notes

Some participants note the need for additional information regarding the standard methods used to relate the sums, indicating that assumptions about convergence and divergence are under scrutiny.

Dragonfall
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From the fact that [tex]\sum_{\mathbb{P}}\frac{1}{p}[/tex] diverges, how do I conclude that the sequence [tex]\frac{n^{1+e}}{p_n}[/tex] diverges for all e>0?

(p=prime, P_n=nth prime)
 
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What have you tried so far? A hint- try proving this by contradiction.
 
Suppose it converges, then since [tex]\sum\frac{1}{n^{1+e}}[/tex] converges for any e>0, [tex]\sum_P\frac{1}{p}[/tex] must converge as well, which is impossible.
 
You might want to give a little more info on why the divergence of the first sum implies the divergence of the second, presumably you're using one of the standard methods of relating the two sums, but which?
 

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