ISEE Mathematics Achievement Question 138: Answer and Explanation
Home > ISEE Test > ISEE Mathematics Achievement Practice Tests
Test Information
- Use your browser's back button to return to your test results.
- Do more ISEE Mathematics Achievement Practice Tests.
Question: 138
12. 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.