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Chapter 4: Q3. (page 179)

Find the greatest common factor of the numbers. Also tell whether the numbers are relatively prime or not.

7,28

Short Answer

Expert verified

The greatest common factor is 7. No, it will not become co prime.

Step by step solution

01

Step -1 - Apply the concept of Factorization

In this, simply use the concept of factorization of the numbers and to get the common number from the both and do the multiplication if two numbers comes out.

02

Step -2 – Find the Factorization

Here, the numbers are 7,28.

Factorization of 7 is 7=1脳7.

Factorization of 28 is 28=1脳4脳7.

03

Step -3 – Finding the common factor

Now, from the above factorization, the common multiple is 1脳7.

So, the greatest common factor is 1脳7=7.

Since, it will not become co prime because it has not only the factor 1, it has also a factor 7.

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