Difference between revisions of "2007 JBMO Problems/Problem 4"
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+ | ==Problem 4== | ||
Prove that if <math> p</math> is a prime number, then <math> 7p+3^{p}-4</math> is not a perfect square. | Prove that if <math> p</math> is a prime number, then <math> 7p+3^{p}-4</math> is not a perfect square. | ||
+ | ==Solution== | ||
+ | |||
+ | ==See also== | ||
+ | {{JBMO box|year=2007|num-b=3|after=Last Problem}} | ||
+ | |||
+ | [[Category:Intermediate Number Theory Problems]] |