Question

explain why 7×11×13+13 is a campsite number​

Answer 1

Answer:

$7 \times 11 \times 13 + 13 \\ \\ 13(7 \times 11 + 1) \\ \\ 13 \times 78$

Here the number represented as product of 2 numbers except one and itself.

Hence it is a composite number.

More information:

Fundamental theorm of Arthemetic:

Every composite number can be represented as product of power of primes

Answer 2

Step-by-step explanation:

7×11×13+13

13(7+11+1)

13×78