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MathNet 2019-part-07 — 184 problems (EN–VI) Question 102

Math Olympiad Vault · MathNet 2019-part-07 — 184 problems (EN–VI)

Question 102

Given positive integers $a$, $b$, $c$, $d$ such that $a \lt b \lt c \lt d$. Is it possible for the least common multiple of $a$ and $b$ to be greater than the least common multiple of $c$ and $d$?