Question

explain why 7*11*15+13 is a composite number?​

Answer 1

Answer:

Step-by-step explanation:

7x11x13+13

= 13 (7x11+1)

=13(77+1)

13 x 78

= 1x 13x2x3x13

Therefore, this is a composite number as it has more than 2 factors.

Answer 2

Answer:

1168

Step-by-step explanation:

7*11*15+13=

=77*15 +13

=1155+13

=1168

so, number which have more then two factors or can be said that number is not prime number is called composite number

so that it is a composite number