Question

Find the HCF and LCM of 1000 and 1125

Answer 1

PRIME FACTORISATION OF 1000 =  2 × 2 × 2 × 5 × 5 × 5

PRIME FACTORISATION OF 1125 =  3 × 3 × 5 × 5 × 5

LCM = 2 × 2 × 2 × 3 × 3 × 5 × 5 × 5

LCM = 9000

HCF = 5 × 5 × 5

HCF = 125

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Answer 2

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