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2020 JBMO Shortlist
1
JBMO Shortlist 2020 N1
JBMO Shortlist 2020 N1
Source: JBMO Shortlist 2020
July 4, 2021
Junior
Balkan
shortlist
2020
number theory
Problem Statement
Determine whether there is a natural number
n
n
n
for which
8
n
+
47
8^n + 47
8
n
+
47
is prime.
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