Hi all, I'm new on this forum (it is great

)

I have a maybe-hard maybe-easy question, which is the following (I have worked quite a lot on it but can't find a way around it) :

Say $\displaystyle n = pq$, with p and q [non-trivial] primes (so n is semiprime)

Now say $\displaystyle m = p + q$ (same values of p and q obviously)

I know "n", but I need "m" (I don't know p or q). Is there a way around this, or is it just impossible ? Isn't there some kind of relation between the product and the sum of the factors of any semiprime ?

Regards.