SSAT Math Question 542: Answer and Explanation
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Question: 542
6. What is the greatest common factor of 75, 90, and 120?
- A. 5
- B. 10
- C. 15
- D. 20
Correct Answer: C
Explanation:
C is correct. The greatest common factor of a group of numbers is the greatest whole number that is a factor of all the numbers. The greatest common factor of 75, 90, and 120 is 15.