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Omni-MATH / Let S equal 1,2,3,cdots ,280. Find the smallest integer n such that each n-element subset of S contains five numbers which are pairwise relatively prime. · Discussion

Discussing Let S equal{} {1,2,3,cdots ,280}. Find the smallest integer n such that each n-element subset of S contains five numbers which are pairwise relatively prime. · Omni-MATH

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