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Canada Contests
Canada National Olympiad
1972 Canada National Olympiad
3
Composite in all bases
Composite in all bases
Source: Canada 1972, Problem 3
June 24, 2006
Problem Statement
a) Prove that
10201
10201
10201
is composite in all bases greater than 2. b) Prove that
10101
10101
10101
is composite in all bases.
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