## Re: [PrimeNumbers] Re: Puzzle of sum to composite

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• ... Missed the condition that here the 4 terms should be positive, and in the Lagrange s theorem you can use 0 as a term. [Non-text portions of this message
Message 1 of 5 , Apr 15, 2012
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2012. �prilis 16. 2:00 WarrenS �rta, <warren.wds@...>:

> **
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> --- In primenumbers@yahoogroups.com, Kermit Rose <kermit@...> wrote:
> >
> > Hello Friends.
> >
> > Prove that every positive composite integer can be expressed as a sum of
> > 4 positive integers
> > such that the product of the 4 positive integers is a square integer.
> >
> > Kermit
>
> --every positive integer is a sum of 4 squares (Fermat, Euler, Lagrange);
> the product of 4 squares is a square.
> QED.
>
> Note the word "composite" was not required.
>
>
>
Missed the condition that here the 4 terms should be positive, and in the
Lagrange's theorem you can use 0 as a term.

[Non-text portions of this message have been removed]
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