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2024-IMOC
N3
n(2^n-1) is a perfect square
n(2^n-1) is a perfect square
Source: 2024IMOC
August 2, 2024
number theory
Problem Statement
Find all positive integers
n
n
n
such that
n
(
2
n
ā
1
)
n(2^n-1)
n
(
2
n
ā
1
)
is a perfect square
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