CBSE Class 6 Answered
Relationship between HCF & LCM of following pairs 64,84
Asked by lavinakirti123 | 17 Oct, 2019, 09:30: AM
Expert Answer
Prime factorisation of 64 = 2 × 2 × 2 × 2 × 2 × 2
Prime factorisation of 84 = 2 × 2 × 3 × 7
HCF(64, 84) = 2 × 2 = 4
Prime factorisation of 64 = 2 × 2 × 2 × 2 × 2 × 2 = 26
Prime factorisation of 84 = 2 × 2 × 3 × 7 = 22 × 3 × 7
LCM(64, 84) = 26 × 3 × 7 = 1344
LCM(64, 84) × HCF(64, 84) = 1344 × 4 = 5376 ... (1)
64 × 84 = 5376 ... (2)
From (1) and (2),
LCM(64, 84) × HCF(64, 84) =64 × 84
Answered by Yasmeen Khan | 17 Oct, 2019, 10:54: AM
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