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Find the HCF and LCM of 126 and 156 by prime factorization method.

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Find the HCF and LCM of 126 and 156 by prime factorization method.

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The Factor of 126 = 2 × 32 × 7

and 156 = 22 × 3 × 13

HCF = 2 × 3 = 6

LCM = 126 × 156/6 = 3276

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