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Switzerland Team Selection Test
2003 Switzerland Team Selection Test
4
max n divides a^{25}-a for all integers a
max n divides a^{25}-a for all integers a
Source: Switzerland - Swiss TST 2003 p4
February 18, 2020
divides
max
number theory
Problem Statement
Find the largest natural number
n
n
n
that divides
a
25
ā
a
a^{25} -a
a
25
ā
a
for all integers
a
a
a
.
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