Q. 34.5( 44 Votes )

HCF of co-prime numbers 4 and 15 was found as follows by factorization: 4 = 2 × 2 and 15 = 3 × 5 since there is no common prime factor. So, HCF of 4 and 15 is 0. Is the answer correct? If not, what is the correct HCF?

Answer :

No, the answer is not correct. 1 will be the correct HCF.

Explanation: The factorization of 4 and 15 is given as: 

4: 1 × 2 × 2

15: 1 × 3 × 5

Here, the highest common factor is 1.

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