It is known that there exists a prime p between 2n and 3n. Now whether there is a upper bound of p. or whether there is a upper bound of a prime between 2n and kn, where k is an odd integer.
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closed as not a real question by Andres Caicedo, Yemon Choi, Igor Rivin, Will Jagy, S. Carnahan♦ Feb 23 2012 at 3:13 |

