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N9
Number Theory 2
Number Theory 2
Source: APMC 2016#6
December 24, 2016
number theory
Problem Statement
Let
a
a
a
be a natural number,
a
>
3
a>3
a
>
3
. Prove there is an infinity of numbers n, for which
a
+
n
∣
a
n
+
1
a+n|a^{n}+1
a
+
n
∣
a
n
+
1
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