Mathematical Question help

help
1

so , Given an equation (N(A^N))%P=B
where value of N can vary from [1,X] and
value of X can be as high as 10^12.
All other numbers A,B,P and X as well are given and we have to find the number of Ns that satisfy the equation.

Any Idea on how to solve this?

2

This question?

3

Yes

4

I have answered it there.

5

Thanks a lot