n is also in the public key.
   It's generated from two prime numbers which I'm guessing are e and d,
   but I saw them called p and q while I was still looking
   at [1]https://en.m.wikipedia.org/wiki/RSA_(cryptosystem)#Key_generation
   .  Having some trouble continuing.

References

   1. https://en.m.wikipedia.org/wiki/RSA_(cryptosystem)#Key_generation