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1992 All Soviet Union Mathematical Olympiad
567
ASU 567 Commonwealth of Independent States 1991 15 no in 2 to1992,coprime pairs
ASU 567 Commonwealth of Independent States 1991 15 no in 2 to1992,coprime pairs
Source:
August 15, 2019
number theory
coprime
prime
Problem Statement
Show that if
15
15
15
numbers lie between
2
2
2
and
1992
1992
1992
and each pair is coprime, then at least one is prime.
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