Question

Explain why 13 x 23 x 29+13 is a
composite number​

Answer 1

Step-by-step explanation:

13 x 23 x 29 + 13

= 13 (23 x 29 + 1)

= 13 (667 + 1)

= 13 x 668

= 13 x 2 x 167

It has factors other than 13 and 1.

So its a composite no.

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Answer 2

Answer:

when you took common from that given equation, you will find that 13is common in both

13 ×(23×29+1)

it implies you that after solving bracket u will observe that particular number 668 ×13 will contain more than 2factor of that

so we say that it ishows characteristics of composite numbers