Find the HCF of two co-prime numbers.

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Solution

Two integers are said to be co-prime if highest common factor of them is none but $1$ .
So HCF of two co-prime numbers is $1$ .

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Question 26
Which of the following statements is not true?

(A) The HCF of two distinct prime numbers is 1
(B) The HCF of two co-prime numbers is 1
(C) The HCF of two consecutive even numbers is 2
(D) The HCF of an even and an odd number is even.

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Find the HCF of two co-prime numbers.

Two integers are said to be co-prime if highest common factor of them is none but 1.So HCF of two co-prime numbers is 1.

Two integers are said to be co-prime if highest common factor of them is none but $1$ .
So HCF of two co-prime numbers is $1$ .