Factorial Division

Number Theory Level 1

Find the value of xx satisfying x!23!=4! \dfrac{x!}{23!} = 4! .

Notation: !! denotes the factorial function. For example, 8!=1×2×3×⋯×88! = 1\times2\times3\times\cdots\times8 .

Vincent Jordaan by Vincent Jordaan
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