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Rajan@2021
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Using prime factorisation, find the HCF and LCM of 8, 9 and 25

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An important and conceptual question from real numbers in which we have given three numbers 8, 9 and 25 and we have to find the HCF and LCM of the given numbers by using the method of prime factorization.

Kindly solve the above problem

RS Aggarwal, class 10, chapter 1B, question no 2(i)

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  1. prime factors of 8,9,25

    8=2×2×2=
    9=3×3=
    25=5×5=

    HCF(8,9,25)=1
    LCM(8,9,25)= ××=1800

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