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प्रश्न
Find the HCF and LCM of 72 and 120.
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उत्तर
72 = 2 × 2 × 2 × 3 × 3
120 = 2 × 2 × 2 × 3 × 5
∴ HCF of 72 and 120 = 2 × 2 × 2 × 3 = 24
and LCM of 72 and 120 = 2 × 2 × 2 × 3 × 3 × 5 = 360
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