Question

If 7×11×13+13 a composite no? Justify

Answer 1

Yes it is composite no.Because it has more than 2 factors so this is the reason by.It is a composite no.Ok....

..Plz mark my ans brainleiat....

Answer 2

Yes, because it has more than one factor....
JUSTIFY---
7×11×13+13
13(7×11×1+1)
13(77+1)
13×78
So,it have more than one factor....