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Find the Lcm and Hcf of the Following Integers by Applying the Prime Factorisation Method: 40, 36 and 126 - Mathematics

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Numerical

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

40, 36 and 126

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Solution

40, 36 and 126

Let us first find the factors of 40, 36 and 126

`40=2^2xx5`

`36=2^2xx3^2`

`126=2xx3^3xx7`

L.C.M of 40 ,36 and 126 = `2^2xx3^2xx5xx7`

L.C.M of 40,36 and 126 =2520

H.C.F of 40,36 and 126 =2

Concept: Fundamental Theorem of Arithmetic
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APPEARS IN

RD Sharma Class 10 Maths
Chapter 1 Real Numbers
Exercise 1.4 | Q 2.4 | Page 39

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