N! is defined N!=N(N-1)(N-2) .... (3)(2)(1). For example,

Saluran Edukasion 2024-03-17T17:16:43

N! is defined N!=N(N-1)(N-2) .... (3)(2)(1). For example, 6!=6.5.4.3.2.1=720. The last non zero digit of 6! is 2 . The last non zero digit of 20! is
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