I am a freelance consultant with reasonable rates and am available for short term projects. If your interested in using me, please email me at oppressionslayer@gmail.com.

I have created a factorization engine based on pollard_brent and skollmans SIQS implementation here if you are interested in a factorization engine that outperforms sympy's factorint:

https://github.com/oppressionslayer/primalitytest/