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2008 JBMO Problems

Revision as of 19:57, 5 August 2020 by Firebolt360 (talk | contribs) (Created page with "==Problem 3== Find all prime numbers <math> p,q,r</math>, such that <math> \frac{p}{q}-\frac{4}{r+1}=1</math>")
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Problem 3

Find all prime numbers $p,q,r$, such that $\frac{p}{q}-\frac{4}{r+1}=1$

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