i need help understanding modulos. i have no grasp on the information and i am wondering if you people can help me. i need to show that the number 3, 3^2, 3^3, up to 3^6 form a reduced residue system mod 7. also, i need help with this... if p and q are distinct prime,s, prove p^q + p^p is congruent to p+q (mod pq). i will post my ideas in a little bit my computer is acting weird!! any assistance will be appreciated!!!