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I The next prime

  1. May 2, 2017 #1
    Hello.
    Is there a quick proof for showing that the next prime is within twice the current prime?

    Edit:

    Never mind. Erdős had given a proof of this (of Bertrand's postulate to be precise) at a fairly young age.

    http://www3.nd.edu/~dgalvin1/pdf/bertrand.pdf
     
  2. jcsd
  3. May 2, 2017 #2

    jedishrfu

    Staff: Mentor

    Thanks for sharing this.
     
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