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MathNet 2022-part-06 — 196 problems (EN–VI) Question 33

Math Olympiad Vault · MathNet 2022-part-06 — 196 problems (EN–VI)

Question 33

Aerith picks five numbers and for every three of them, takes their product, producing ten products. She tells Bob that the nine smallest positive divisors of sixty are among her products. Can Bob figure out the last product?