Question

What is co prime.
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Please explain it
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Answer 1

Answer:

When two numbers have no common factors other than 1. In other words there is no whole number that you could divide them both by exactly (without any remainder).

Answer 2

Answer:

Any set of numbers which do not have any other common factor other than 1 are called co-prime or relatively prime numbers. This shows that 5 and 6 have no common factor other than 1. Therefore, they are co-prime numbers.

Difference between prime and co-prie numbers

A prime number is defined as a number that has no factor other than 1 and itself. On the contrary, co-primes are considered in pairs and two numbers are co-prime if they have no common factors other than 1.

To find the co-prime of a number, find the factors of the number first. Then, choose any number and find the factors of the chosen number. All the numbers which do not have any common factor other than 1 will be the co-prime of the given number.

Step-by-step explanation:

How to Find Coprime Numbers?

To find whether any two numbers are coprime, we first find their HCF.

If their HCF is  1  , we can say that they are coprime.

Example :

Let us consider two numbers  5   and  9

The factors of  5  are  1  and  5

The factors of  9   are  1 ,  3  and  9  

The factor that is common to both  5  and  9   is  1 .

HCF of  ( 5 , 9 )  = 1 .

Thus,  ( 5 , 9 )  is a coprime pair.

Hope it helps