- --- In primenumbers@yahoogroups.com,

"djbroadhurst" <d.broadhurst@...> wrote:

> The Cornacchia-Smith algorithm is given by Henri Cohen

Exercise: Find two pairs of positive integers (x,y) such that

> as CCANT 1.5.2 and by also by Crandall and Pomerance 2.3.12.

5*x^2 + 5*x*y + y^2 = (137^137 + 1992)*(137^137 + 3464)

Comment: This exercise may solved in 10 milliseconds.

David - --- In primenumbers@yahoogroups.com, "djbroadhurst" <d.broadhurst@...> wrote:
>

Looks like a special case, a put-up job as the posties

>

>

> --- In primenumbers@yahoogroups.com,

> "djbroadhurst" <d.broadhurst@> wrote:

>

> > The Cornacchia-Smith algorithm is given by Henri Cohen

> > as CCANT 1.5.2 and by also by Crandall and Pomerance 2.3.12.

>

> Exercise: Find two pairs of positive integers (x,y) such that

> 5*x^2 + 5*x*y + y^2 = (137^137 + 1992)*(137^137 + 3464)

>

> Comment: This exercise may solved in 10 milliseconds.

>

> David

>

say. quibble, quibble.

a.