Question

Check whether 5 x 3 x 11 + 11 and 5 x 7 + 7 x 3 + 3 are composite numbers or not?
Justify.​

Answer 1

Step-by-step explanation:

5 x 3 x 11 + 11 =176

so it is a composite no.

5 x 7 + 7 x 3 + 3 =59

and it is not divided by any no.

so it is not a composite no