Question

[8] Find odd man out of the following series 7,9,13, 17, 19
(a) 7
(b) 9
(c) 19
(d) 13​

Answer 1

Answer:

9

Step-by-step explanation:

The answer to your problem is 9 bcz 9 is a composite number whereas all others are not

Hope this answer helps you

Answer 2

The odd man out is 9

Solution:

Need to find odd number from given five numbers that are 7,9,13, 17, 19

A prime number is a whole number greater than 1 whose only factors are 1 and itself.

Let’s do prime factorization of each number

$\begin{array}{l}{\text { Prime factorization of } 7 \text { is } 7 \times 1} \\\\ {\text { Prime factorization of } 13 \text { is } 13 \times 1} \\\\ {\text { Prime factorization of } 17 \text { is } 17 \times 1} \\\\ {\text { Prime factorization of } 19 \text { is } 19 \times 1}\end{array}$

But 9 is not a prime number. Since its factors are 3 and 1 and 9

So the odd man out is 9

Learn more about odd man out series

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