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GCD & LCM
hard
0:00.0
If
p
p
p
is a prime, what is
gcd
(
n
p
−
n
,
p
)
\text{gcd}(n^p - n, p)
gcd
(
n
p
−
n
,
p
)
?
A
1
B
p
p
p
C
n
n
n
D
n
−
1
n-1
n
−
1
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