Question

7. Explain why 7 11 13 + 13 is composite number.​

Answer 1

Answer:

for which class the question is

Answer 2

Step-by-step explanation:

1.7×11×13+13 may be written as, i.e. 13 * (78). So other than 1 and the number itself, 13 and 78 are also the factors of the number. ...

2.So, other than the number and 1, it have 5 and 1009 as it's factors too.

therefore it is composite number...

hope this will help you..