Question

explain how 11×13×17+13×17×19 is a composite number​

Answer 1

Answer:

Step-by-step explanation:

11×13×17+13×17×19

=13×17×(11+19)

=13×17×30

30 is a composite number.

Therefore, (13×17×30) is a composite number.

Hence, 11×13×17+13×17×19 is a composite number.