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Chapter 4: Q2. (page 179)

Find two pairs of relatively prime numbers from 5,10,16&25.

Short Answer

Expert verified

The pairs of co prime are 5-16,16-25.

Step by step solution

01

Step -1 - Apply the concept of Prime and co prime number

In this, simply use the concept of prime number and co prime number such that a number has two factors \[1\] and its number itself called prime number and Two integers are said to be co-prime (or relatively prime) if they do not share a common divisor different than 1.

02

Step -2 – Find the Factorization to find prime and co prime

Here, the numbers are 5,10,16&25.

Factorization of 5 is 5=1脳5.

Factorization of 10 is 10=1脳2脳5.

Factorization of 16 is 16=1脳2脳2脳4.

Factorization of 25 is 25=1脳5脳5.

03

Step -3 – Finding the common factor

Now, from the above factorization, it is seen that the two pair having common factor 1, which would become co 鈥� prime.

So, the pairs are 5-16,16-25.

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