Question

Explain why (7 x 13 x 11) + 11 and (7 x 6 x 5 x 4 x 3 x 2 x 1) + 3 are composite numbers.

Answer 1

Answer:

Step-by-step explanation:

composite number :which has factors other than 1 and the number itself

now

(7 x 13 x 11) + 11

take 11 common

11(7 x 13 + 1)

now it has 11 as its factor other than 1 and the number itself

and also

(7 x 6 x 5 x 4 x 3 x 2 x 1) + 3

take 3 common

3(7 x 6 x 5 x 4 x 2 + 1)

now it has 3 as its factor other than 1 and the number itself......

hope it helps u

Answer 2

Answer:

Composite numbers=product of prime numbers

(7×11×13)=1001+11

1012=2×2×11×23 (product of prime numbers)

(7 x 6 x 5 x 4 x3 x 2 x1) +3

5040+3

5043=3×41×41(product of prime numbers)