I'd be interested in how feasible this would be. Even tiny address spaces like 256 bytes have tons of potential ways to fill it (factors): a process could have

I'd be interested in how feasible this would be. Even tiny address spaces like 256 bytes have tons of potential ways to fill it (factors): a process could have : 1, 2, 4, 8, 16, 32, 64, 128, or even 256 bytes. How do you identify which are running?