Question

find hcf of 144,252,630

Answer 1

Step-by-step explanation:

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Answer 2

Prime factorisation is given in attachment

144 = 2⁴ × 3²

252 = 2² × 3² × 7

630 = 2 × 3² × 7 × 5

For finding H.C.F or Highest Common Factor is the lowest common exponent need to be taken.

Here

2 and 3² is the lowest common exponent

HCF = 2 × 3² = 2 × 9 = 18

Therefore, HCF of the given numbers is 18