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Vietnam Team Selection Test
2020 Vietnam Team Selection Test
5
An Old Question about LTE in the New TST
An Old Question about LTE in the New TST
Source: 2020 Vietnam TST P5
June 29, 2020
Vietnam
TST
ord
Problem Statement
Find all positive integers
k
k
k
, so that there are only finitely many positive odd numbers
n
n
n
satisfying
n
∣
k
n
+
1
n~|~k^n+1
n
∣
k
n
+
1
.
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