5. Linear Congruences

Reduced Residue Systems — Quiz

Test your understanding of reduced residue systems with 5 practice questions.

Practice Questions

Question 1

Which set is a reduced residue system modulo $8$?

Question 2

How many integers are in a reduced residue system modulo $10$?

Question 3

Which integer is not relatively prime to $15$?

Question 4

What must be true of every number in a reduced residue system modulo $n$?

Question 5

Which set is a reduced residue system modulo $12$?