Question

HCF of 420 and 130 is??
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Answer 1

Heya !!!

Prime factorisation of 420 = 2 × 2 × 3 × 5 × 7

Prime factorisation of 130 = 2 × 5 × 13

HCF of 420 and 130 = 2 × 5 = 10

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Answer 2

Answer:

Step-by-step explanation:

a = bq + r

420 = 130 * 3 + 30

130 = 30 * 4 + 10

30 = 10 * 3 + 0

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: therefore hcf is 10

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