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1999 Ukraine National Mathematical Olympiad
Problem 3
9999999+1999000 is composite
9999999+1999000 is composite
Source: Ukraine 1999 Grade 9 P3
May 10, 2021
number theory
Problem Statement
Show that the number
9999999
+
1999000
9999999+1999000
9999999
+
1999000
is composite.
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