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Question Number 188359 by 073 last updated on 28/Feb/23

Answered by Rasheed.Sindhi last updated on 28/Feb/23

$$1!+2!+3!+...+48!\equiv x\left(mod6\right)$$$$Fork⩾3,6\mid k!$$$$\Rightarrow 1!+2!\equiv x\left(mod6\right)$$$$1+2\equiv x(mod6$$$$x=3$$

Commented by 073 last updated on 01/Mar/23

$$\mathrm{thanks}\mathrm{alot}$$

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