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2
Diophantine equation.
Diophantine equation.
Source:
January 30, 2004
modular arithmetic
induction
AMC
USAMO
number theory
Problem Statement
Find all pairs of positive integers
(
n
;
k
)
\left(n;\;k\right)
(
n
;
k
)
such that
n
!
=
(
n
+
1
)
k
−
1
n!=\left( n+1\right)^{k}-1
n
!
=
(
n
+
1
)
k
−
1
.
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