Question

1.      the LCM and HCF of the following integers by applying prime factorization method.

                           i.          12, 15 and 21

                         ii.          17, 23 and 29

                       iii.          8, 9 and 25

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Answer 1

Answer:

i)12, 15 and 21

12=2×2×3

15=3×5

21=3×7

HCF=3

LCM=2×2×3×5×7=420

ii)17, 23 and 29

17=17×1

23=23×1

29=29×1

HCF=1

LCM=17×23×29×1=11339

iii)8, 9 and 25

8=2×2×2×1

9=3×3×1

25=5×5×1

HCF=1

LCM=2×2×2×3×3×5×5×1=1800

Answer 2

Answer:

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Step-by-step explanation:

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