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Using prime factorisation, find the HCF and LCM of : ,(i) 8,9,25(ii) 12,15,21 (iii) 17 ,23,29 (iv) 24,36,40 (v) 30,72,432 (vi) 21,28,36,45 |
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Answer» (iii) HCF= 1, LCM= 11339 (iv) HCF = 4, LCM= 360 (v) HCF= 6, LCM= 2160 (vi) HCF= 1, LCM= 1260 |
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