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1
2^n+n=m!
2^n+n=m!
Source: Turkey National Olympiad Second Round 2013 P4
November 28, 2013
number theory
Diophantine equation
factorial
Problem Statement
Find all positive integers
m
m
m
and
n
n
n
satisfying
2
n
+
n
=
m
!
2^n+n=m!
2
n
+
n
=
m
!
.
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