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Problems
Contests
National and Regional Contests
Germany Contests
German National Olympiad
2011 German National Olympiad
5
5
Part of
2011 German National Olympiad
Problems
(1)
Exists prime or not?
Source:
8/5/2012
Prove or disprove:
∃
n
∈
N
\exists n\in N
∃
n
∈
N
, s.t.
324
+
45
5
n
324 + 455^n
324
+
45
5
n
is prime.
number theory proposed
number theory