Question

what is the HCF of 18 45 72​

Answer 1

HCF of 18, 45, 72

18 = 2×3×3

45 = 5×3×3

372 = 2×2×2×3×3

33 and 3 are common

Multiplying them gives 9

Multiplying them gives 99 is THE HCF

Answer 2

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