How do you simplify $(4!)!$ $(4!)!$ ?

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Answer 1 · 2016-07-18T17:11:44

$(4!)! =24×23×22×21×20×19×...×3×2×1$

As $4! =4×3×2×1=24$ ,

$(4!)! =24!$

= $24×23×22×21×20×19×...×3×2×1$

How do you simplify (4!)!(4!)!(4!)!?