What is the highest common factor of 18 and 24?
Answer and explanation
Correct answer: B. 6
- Step 1: Factors of 18 include 1, 2, 3, 6, 9, 18. Step 2. The largest that also divides 24 is 6. Answer: 6. Why not the others: 3 is smaller, 12 does not divide 18 and 72 is a multiple.
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