Via twitter i was directed to
https://www.linkedin.com/pulse/rsa-beginning-end-william-buchanan
(Thanks @Andrea for retweeting)
and saw a really fascinating approach to break RSA by pre-calculated prime factors.
Here is an online RSA-cracker:
http://asecuritysite.com/encryption/crackrsa?n=89%2C070%2C570%2C720%2C149%2C060%2C561%2C995%2C361%2C437%2C269%2C869%2C694%2C609%2C685%2C454%2C824%2C674%2C559
(cracking N=8907057072014906056199536143726986969460968545482 )
Wondering what will come next..