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Modular Arithmetic
medium
0:00.0
Which value of
k
k
k
satisfies
10
k
≡
1
(
m
o
d
13
)
10^k \equiv 1 \pmod{13}
1
0
k
≡
1
(
mod
13
)
?
A
3
3
3
B
4
4
4
C
6
6
6
D
12
12
12
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