Divisibility by 5: Ends with 0, so divisible by 5.Divisibility by 3: Sum of digits = 9 + 1 + 2 + 3 + 0 = 15 (Divisible by 3).The correct answer is (C): 91230
The largest $ n \in \mathbb{N} $ such that $ 3^n $ divides 50! is: