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1400
Square with Remainder One
Editorial
number theory
modular arithmetic
divisibility
perfect squares
Let
N
N
N
be the smallest positive integer such that
N
N
N
leaves a remainder of
1
1
1
when divided by each of
2
,
3
,
4
,
5
,
6
,
7
,
8
,
9
,
10
2, 3, 4, 5, 6, 7, 8, 9, 10
2
,
3
,
4
,
5
,
6
,
7
,
8
,
9
,
10
, and
N
N
N
is a perfect square. Find
N
N
N
.
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