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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
>
>
>