Question

Explain why 7×9×13×15+15 is a composite number.​

Answer 1

Answer:

Composite number are the numbers which have factors other than 1 and the number itself.

Given number,

7×9×13×15+15×14

15(7×9×13+14)

Since this number have factors other than 1 and the number itself, it is a composite number.  

please mark it as brainliest

Answer 2

Step-by-step explanation:

7×9×13×15+15

= 13 ( 7×9×15+1)

= 13 ( 945 + 1)

= 13 × 946

= 1 × 13 × 94

Therefore, It is a composite number because is has 3 factor.