Q8. Find the common factors of: (i) 15 and 25
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Answer:
Now, as we can see other than 1, 5 is the common factor in the three factorization, hence 5 is the common factor. Now, HCF is defined as the highest common factor. and here, 5 is the only common factor. So, HCF of 5, 15, 25 is 5
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Explanation:
The Greatest Common Factor of 15and25 is 5.
The factors of 15 are 3and5. (the number itself and 1 do not count).
The factor(s) of 25 is 5 . After all, it is a square number.
The only factor that is in common is 5.
(again remember that 1 does not count here -although 1 is common, 5 is higher)
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