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2000 Portugal MO
3
max k, 2^k is a divisor of 3^n+1
max k, 2^k is a divisor of 3^n+1
Source: Portugal OPM 2000 p3
May 18, 2024
number theory
divides
divisor
Problem Statement
Determine, for each positive integer
n
n
n
, the largest positive integer
k
k
k
such that
2
k
2^k
2
k
is a divisor of
3
n
+
1
3^n+1
3
n
+
1
.
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