H.C.F of co-prime numbers 4 and 15 was found as follow:
4=2 $\times$ 2 and 15=3 $\times$ 5
Since there is no common prime factor. So, H.C.F of 4 and 15 is 0. Is the answer correct? If not, what is the correct H.C.F?

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Solution

No, it is not correct.
We know that HCF of two co-prime number is 1.
4 and 15 are co-prime numbers because the only factor common to them is 1.
Thus, HCF of 4 and 15 is 1.

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Similar questions

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 factors, so HCF of 4 and 15 is 0. Is the answer correct? If not, what is the correct HCF?

Question 3

HCF of co-prime numbers 4 and 15 was found as follows by factorization: $4 = 2 \times 2$ and $15 = 3 \times 5$ . 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?

Q. What is the H.C.F. of two co-prime numbers ?

Q. Write true (T) of false (F) for each of the following statements:

(i) The H.C.F of two distinct prime numbers is 1.
(ii) The H.C.F of two co-prime number is 1.
(iii) The H.C.F of an even and an odd numbers is 1.
(iv) The H.C.F of two consecutive even numbers is 2.
(v) The H.C.F of two consecutive odd numbers is 2.

H.C.F of two co prime numbers is always 2.

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H.C.F of co-prime numbers 4 and 15 was found as follow: 4=2×2 and 15=3×5 Since there is no common prime factor. So, H.C.F of 4 and 15 is 0. Is the answer correct? If not, what is the correct H.C.F?

No, it is not correct. We know that HCF of two co-prime number is 1. 4 and 15 are co-prime numbers because the only factor common to them is 1. Thus, HCF of 4 and 15 is 1.

H.C.F of co-prime numbers 4 and 15 was found as follow:
4=2 $\times$ 2 and 15=3 $\times$ 5
Since there is no common prime factor. So, H.C.F of 4 and 15 is 0. Is the answer correct? If not, what is the correct H.C.F?

No, it is not correct.
We know that HCF of two co-prime number is 1.
4 and 15 are co-prime numbers because the only factor common to them is 1.
Thus, HCF of 4 and 15 is 1.