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what is 3 to the power -1 (mod 29)?

Quote: Originally Posted by idontdomath what is 3 to the power -1 (mod 29)? You can think of modular arithmetic as clock arithmetic, so a number is the remainder when that number is divided by 29. In this case we are looking for a number in such that: for some integer RonL

Quote: Originally Posted by CaptainBlack You can think of modular arithmetic as clock arithmetic, so a number is the remainder when that number is divided by 29. In this case we are looking for a number in such that: for some integer RonL That makes a lot more sense than what I was thinking (glad I kept my mouth shut ^_^)