Question

explain why 7 x 11 x 13 + 13 is a composite number​

Answer 1

since it can be expressed as product of prime factors it is composie

Answer 2

Answer:

Step-by-step explanation:

7×11×13+13

13(7×11×1+1)

(13)(78)

This number has more than 2 factors that is 1 and itself hence it is a composite number