7. Fermat and Euler
Euler’s Phi Function — Quiz
Test your understanding of euler’s phi function with 5 practice questions.
Practice Questions
Question 1
What does Euler's phi function $\varphi(n)$ count for a positive integer $n$?
Question 2
What is $\varphi(1)$?
Question 3
What is $\varphi(13)$?
Question 4
What is $\varphi(16)$?
Question 5
How many positive integers less than or equal to $12$ are relatively prime to $12$?