Question

find the HCF of the following by the method of prime factorization 42 and 84 36 and 63 25 and 90 24 ​

Answer 1

Answer:

42=2×3×7

84=2×2×3×7

36=2×2×3×3

HCF=2×3=6

63=3×3×7

25=5×5

HCF =1

90=2×3×3×5

24=2×2×3×2

HCF=2×3=6

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