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MathsJEE Main 21 Jan 2026, Shift 2·Q20·MCQ·Easy–moderate

Permutations & Combinations · Exponent of prime in factorial

The largest n∈Nn \in \mathbb{N}, for which 7n7^n divides 101!101!, is:
  1. (1)16
  2. (2)18
  3. (3)15
  4. (4)19

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