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79
H 79
H 79
Source:
May 25, 2007
modular arithmetic
Diophantine Equations
Problem Statement
Find all positive integers
m
m
m
and
n
n
n
for which
1
!
+
2
!
+
3
!
+
⋯
+
n
!
=
m
2
1!+2!+3!+\cdots+n!=m^{2}
1
!
+
2
!
+
3
!
+
⋯
+
n
!
=
m
2
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