Question

Qno. 1 : Find the H.C.F. of the following numbers by Prime factorisation method :
a) 144 , 180
b) 11, 13 , 10
c) 14 , 49 , 7 ​

Answer 1

Answer:

a) Prime factorization of 144 is 2 × 2 × 2 × 2 × 3 × 3

Prime factorization of 24 is 2 × 2 × 3 × 3 × 5

Common factors = 2 × 2 × 3 × 3

HCF is the product of the factors that are common to each of the given numbers.

HCF is 36

Answer 2

Answer:

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Step-by-step explanation:

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