Difference between revisions of "2016 JBMO Problems/Problem 3"

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== Problem ==
 
== Problem ==
  
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Find all triplets of integers <math>(a,b,c)</math> such that the number
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<cmath>N = \frac{(a-b)(b-c)(c-a)}{2} + 2</cmath>
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is a power of <math>2016</math>.
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(A power of <math>2016</math> is an integer of form <math>2016^n</math>,where <math>n</math> is a non-negative integer.)
  
 
== Solution ==
 
== Solution ==

Revision as of 01:43, 23 April 2018

Problem

Find all triplets of integers $(a,b,c)$ such that the number

\[N = \frac{(a-b)(b-c)(c-a)}{2} + 2\]

is a power of $2016$.

(A power of $2016$ is an integer of form $2016^n$,where $n$ is a non-negative integer.)

Solution

See also

2016 JBMO (ProblemsResources)
Preceded by
Problem 2
Followed by
Problem 4
1 2 3 4
All JBMO Problems and Solutions