find the HCF and LCM of 6,72,120 using the prime factorisation method
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Answer:
6 = 3×2
72 = 2×2×2×3×3
120 = 2×2×2×3×5
HCF = 3×2 = 6
LCM = 6×3×2×2×3×5
= 360
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