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Re: YES IT'S 9867312



The answer is N=679

TH
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At 04:39 PM 3/18/97 -0600, you wrote:
>Hello Hong, Dung and Trung,
>
>	Thank you all for your effort in solving the problem. 
>Geez! you are all smart girl and guys! Re: the problem is 
>that finding a seven-unique-digit number, which is divisible 
>by every digit in it, except zero, of course! Under this 
>condition, I think your solution of 9867312 is correct. I 
>guess the credit has to go to Thanh Hong first for her 
>initial working out, followed by Dung and Trung. 
>
>	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].
>
>	Thank you for your help and good luck with your study.
>
>
>	Tuan Nguyen
>
>
>