Initial Segment Attack
Description. This attack works if one of the primes has a lot of sequential zeros for digits base 10 and the other prime used is smaller than the ammount of zeros used. The consept of the attack is to divy up the sub numbers digit by digit and check if the gcd of that subnumber and the modulus is greater than 1.
Example. An example of IS attack working
1270000000000000000000000000000000000000043
456768534657687546576879676661
456768534657687546576879676661