Question

what are composite numbers how 7×11×13+13 is a composite number ​

Answer 1

★★★★

7×11×13+13

13(17×11+1)

13 (77+1)

13 (78)

It means 2 factor both greater than 1

I hope this answer is help u★

Answer 2

Answer:

Step-by-step explanation:

a composite number is a number that is not a prime number, that is, a composite number has divisors other than 1 and itself.

7×11×13 + 13 = (7×11 + 1)×13 which means that 13 is a divisor of 7×11×13 + 13 and therefore

7×11×13 + 13 is composite.