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2012 IMO Shortlist
N8
N8
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2012 IMO Shortlist
Problems
(1)
IMO Shortlist 2012, Number Theory 8
Source: IMO Shortlist 2012, Number Theory 8
7/26/2013
Prove that for every prime
p
>
100
p>100
p
>
100
and every integer
r
r
r
, there exist two integers
a
a
a
and
b
b
b
such that
p
p
p
divides
a
2
+
b
5
ā
r
a^2+b^5-r
a
2
+
b
5
ā
r
.
Gauss
modular arithmetic
number theory
Divisibility
prime
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