For a and b shown above, which of the following expressions represents the greatest common factor of a and b?

🎲 Try a Random Question  |  Total Questions in Quiz: 25  |  🧠 Study this quiz with Flashcards
This question is part of a full practice quiz:
GMAT Math: Word Problem Practice Test — practice the complete quiz, review flashcards, or try a random question.


<img alt='images' src='https://www.fatskills.com/images3/gmat/e0433-01.jpg'><br>For <em>a</em> and <em>b</em> shown above, which of the following expressions represents the greatest common factor of <em>a</em> and <em>b</em>?