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Diophantine Equations
medium
0:00.0
Find the smallest positive integer
x
x
x
such that
5
x
≡
1
(
m
o
d
7
)
5x \equiv 1 \pmod 7
5
x
≡
1
(
mod
7
)
.
A
2
B
3
C
4
D
5
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