The option given are: 451, 391, 121, 1, 221, 226, 11.

There are more than 1 correct answers. One of tge correct answer is 1. I need to know the another one. Please help

Suppose you compute 11644mod645 using the algorithm for modular exponentiation discussed in lecture and shown below: Recall that, the algorithm assumes we know or can find the binary expansion of n so that n=(ak1,ak2 ,,a0)2. If the initial values are x and p are 1 and 11 respectively, select all the possible values that x will attain at some iteration of the algorithm