Numerical

Find the LCM and HCF of the following integers by applying the prime factorisation method:

8, 9 and 25

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#### Solution

8, 9 and 25

Let us first find the factors of 8,9 and 25

`8=2^2`

`9=3^3`

`25=5^2`

L.C.M of 8,9 and 25 =`2^2xx3^2xx5^2`

L.C.M of 8,9 and 25 = 1800

H.C.F of 8,9 and 25 =1

Concept: Fundamental Theorem of Arithmetic

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