Question : The HCF of 222, 642, and 1062 is ____.
Option 1: 6
Option 2: 8
Option 3: 4
Option 4: 2
Correct Answer: 6
Solution :
222 = 2 × 3 × 37
642 = 2 × 3 × 107
1062 = 2 × 3 × 3 × 59
So, the HCF of 222, 642, and 1062 = 2 × 3 = 6
Hence, the correct answer is 6.
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