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GCD & LCM
hard
0:00.0
Find
gcd
(
n
!
+
1
,
(
n
+
1
)
!
)
\gcd(n!+1, (n+1)!)
g
cd
(
n
!
+
1
,
(
n
+
1
)!)
for
n
>
1
n > 1
n
>
1
.
A
1
B
n
C
n+1
D
n!
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