1. Divisibility and Basic Proof
Greatest Common Divisors — Quiz
Test your understanding of greatest common divisors with 5 practice questions.
Practice Questions
Question 1
What is the greatest common divisor of two integers?
Question 2
What is $\gcd(12,18)$?
Question 3
What is $\gcd(15,25)$?
Question 4
If $\gcd(a,b)=1$, what are $a$ and $b$ called?
Question 5
What is $\gcd(8,0)$?