Does n!m!=t! have infinitely many solutions in positive interger besides trivial ones? (n=0 m=1 etc)
Can't work this one out. thanks.
Does n!m!=t! have infinitely many solutions in positive interger besides trivial ones? (n=0 m=1 etc) Can't work this one out. thanks. 


$(n!)!=(n!1)!\cdot n!$  is it trivial or not? 

