Find the H.C.F and L.C.M of the following integer by applying prime factorisation method. (I) 12,15,21 (ii) 17,23,29 (iii) 8,9,25
Answers
Answer:
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Step-by-step explanation:
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Answer:
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Step-by-step explanation:
12, 15, 21
12 = 2 × 2 ×3
15 = 3 × 5
21 = 3 × 7
HCF = 3
LCM = 2 × 2 × 3 × 5 × 7
= 420
17 , 23, 29
17 = 17 × 1
23 = 23 × 1
29 = 29 × 1
HCF = 1
LCM = 17 × 23 × 29
= 11339
8 , 9 , 25
8 = 2 ×2× 2
9 = 3 × 3
25 = 5 × 5
HCF = 1
LCM = 2 × 2 ×2 × 3 × 3 × 5 × 5
= 8 x 9 × 25
= 1800
hope you understand
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