Re: Divisibility by 7 & 13

From: T Rig (trig_at_notmail.com)
Date: 02/26/05


Date: Sat, 26 Feb 2005 15:33:32 GMT


> I have developed a new and very easy method to find out divisibility by 7
& 13.
> The exisitng methods for divisibilty for 7 is :- take the last digit,
> multiply it with 2 and subtract the result from remaining number. We are
> to repeat the process till all the digits are exhuasted
> For 13 :- take the last digit, multiply it with 4 and add the result to
> remaining number. Again, in this method, we are to repeat the process till
> all the digits are exhusted.
> I have found out a simpler and better way. I want to get it published in a
> good journal. Will you please be kind enough to suggest me how I should
> proceed?
>

If you think you have something you should put it on a web site and link to
the web site. For instance, the web site has an owner and the web file has a
date..



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