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Mathematics
Mathematics
Problem
The number of natural numbers
n
n
n
for which
(
3
n
−
4
)
(3n - 4)
(
3
n
−
4
)
,
(
4
n
−
5
)
(4n - 5)
(
4
n
−
5
)
,
(
5
n
−
3
)
(5n - 3)
(
5
n
−
3
)
are all prime number is
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