Question Number 15891 by RasheedSoomro last updated on 15/Jun/17
$$\mathrm{Find}\:\mathrm{out}\:\boldsymbol{\mathrm{last}}\:\boldsymbol{\mathrm{odd}}\:\boldsymbol{\mathrm{digit}}\:\mathrm{in}\:\mathrm{the} \\ $$$$\mathrm{expansion}\:\mathrm{of}\:\mathrm{1000}! \\ $$