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The product of two co-prime numbers is 117. Find their HCF.
Question

The product of two co-prime numbers is 117. Find their HCF.

A.

1

B.

7

C.

117

D.

13

Correct option is A

Given:
Two co-prime numbers with a product of 117.
Concept Used:
The Highest Common Factor (HCF) of two co-prime numbers is always 1, as co-prime numbers have no common divisors other than 1.
Solution:  
Since, there are two co-prime number;
Thus,
The HCF of two co-prime numbers is always 1.  
Therefore, option(a) is correct.

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