The current largest prime is (2^57885161)-1, which is 17,425,170 digits, yet can be represented with much less, obviously.
Maybe adding exponents would help. aX^n + b, perhaps?
The current largest prime is (2^57885161)-1, which is 17,425,170 digits, yet can be represented with much less, obviously.
Maybe adding exponents would help. aX^n + b, perhaps?