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1
When is an expression prime?
When is an expression prime?
Source:
March 15, 2015
number theory
number theory proposed
prime numbers
Problem Statement
For which non-negative integers
n
n
n
is
K
=
5
2
n
+
3
+
3
n
+
3
ā
2
n
K=5^{2n+3} + 3^{n+3} \cdot 2^n
K
=
5
2
n
+
3
+
3
n
+
3
ā
2
n
prime?
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