On Tue, 18 Mar 1997, Thu-Huong Tran wrote: > The answer is N=679 > > TH > ----- > > > Here is another problem for you: Find the smallest > >integer number N, so that N! is divisible by 7^100 [e.g. 7 to > >the power of 100]. > > Hi Thu Huong, The number must be 609. Check it, OK! H