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GCD & LCM
hard
0:00.0
What is
GCD
(
2
n
+
1
,
2
n
+
1
+
1
)
\text{GCD}(2^n+1, 2^{n+1}+1)
GCD
(
2
n
+
1
,
2
n
+
1
+
1
)
?
A
1
B
2
C
3
D
5
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