# Revision history [back]

While your computations for y and z are correctly done (I think) in Z/(p-1), your computations with K need to be done in Z/(p) instead. So add another ring:

R = IntegerModRing(8885569518)
S = IntegerModRing(8885569519)
K = 263785120
a = 11
b = 17

Ka = S(K)^a
(etc.)

y = 1/R(a)
(etc.)