Question
What is the Highest Common Factor of 54, 162 and 270?
Solution
Factors of 54 = 2 × 3 × 3 × 3 Factors of 162 = 2 × 3 × 3 × 3 × 3 Factors of 270 = 2 × 3 × 3 × 3 × 5 Highest Common Factor = 2 × 3 × 3 × 3 = 54
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