Question

4. Find out the common factors of the following numbers. Then write their HCF

(b) 9 and 15
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Answer 1

Answer:

factors of 9 - 1,3,9

factors of 15- 1,3,5,15

common factors - 1 and 3

HCF - 3

Step-by-step explanation:

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Answer 2

Answer:

common factor is 3 and 3×3=9 and 3×5=15

Step-by-step explanation:

So, 3 is common in both and multiply it with 3 then answer is 9..

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