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Vietnamese Southern Summer School
2017 Vietnamese Southern Summer School contest
Problem 3
3-addict valuation
3-addict valuation
Source: Southern Summer School, gr. 11
July 9, 2017
number theory
p-adic
Problem Statement
Prove that, for any integer
n
≥
2
n\geq 2
n
≥
2
, there exists an integer
x
x
x
such that
3
n
∣
x
3
+
2017
3^n|x^3+2017
3
n
∣
x
3
+
2017
, but
3
n
+
1
∤
x
3
+
2017
3^{n+1}\not | x^3+2017
3
n
+
1
∣
x
3
+
2017
.
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