Answer: HCF of 2 coprime numbers is 1.
The highest common factor (HCF) is also known as GCF. HCF of two numbers is also defined as the largest among all the common factors of given numbers. Example of HCF: If there are two numbers 5 and 7. They can be called co-prime if their HCF is 1.
HCF of two co prime number is
HCF of two co prime number is 1. Two numbers are said to be coprime only when the highest common factor (HCF) of two numbers is 1.