Okay, so I'm supposed to find the least nonnegative integer i such that
4^30 is congruent to i (mod 19).
I'm not sure how to approach this since my textbook doesn't really say how this type of problem is done so any help would be greatly appreciated.
Hello, clockingly!
Another approach . . .
Find the least nonnegative integer such that: .
I found that: .
Then: .
And: .
Therefore: .
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
I also found that: .
Then: .
And: .
But I see that TPHacker beat me to it.