Re: problem in factoring a number



bachimanchi@xxxxxxxxx wrote:
> thanks for the reply,
> but my problem is i know the factors of the 7 digit number let us say
> no. is 1740719 and factors of the number are 1279 and 1361
> but i have to start rom scratch like in choosing the curve and have to
> choose B1 and B2,then i have to go for scalar or point multiplication
> and have to go for trial and error and then find out what is the factor
> is there anyway how to choose B1 and choosing the curves
> like equation is for example y^2 = x^3 + ax + b
> and how to choose values of a and b
>

You can follow the approach given at:
http://www.mersennewiki.org/index.php/ECM

Best regards,

Dario Alpern
Buenos Aires - Argentina
http://www.alpertron.com.ar/ENGLISH.HTM

.



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