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VTMO 2026 - Grade 6 - Semifinal - SET 10 - Self-study Question 2

VTMO · VTMO 2026 - Grade 6 - Semifinal - SET 10 - Self-study

Question 2

Define $n!$ (n factorial) as the product of all natural numbers from 1 to $n$. For example, $2021!=1\times2\times3\times\cdots\times2021$. Find the smallest $n$ for which $n!$ is divisible by both 2020 and 2021.

Question illustration
  1. 2021
  2. 43
  3. 47
  4. 101
  5. 2020