For how many integers n > 1 is 23 ≡ 8 (mod n)?

Modulo Arithmetic & Congruence · Question 56 of 97

Question 56

MediumOriginal question

For how many integers $n > 1$ is $23 \equiv 8 \pmod{n}$ ?

1

Correct answerYour answer

2

Correct answerYour answer

3

Correct answerYour answer

4

Correct answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer C

Correct answer: C

Worth noting

4 counts 1 as well, but the question asks for $n > 1$ .

Ten questions from Modulo Arithmetic & Congruence, at your own pace.

Ten questions from Modulo Arithmetic & Congruence, at your own pace.