Question

Explain why 7 × 11 × 13 + 13 and 7 × 6 × 5 × 4 × 3 × 2 × 1 + 5 are composite numbers.​

Answer 1

Answer:

Read explaination.

Step-by-step explanation:

Take 13 as common,

13(7*11*1+1)

=13*78

As the number is divisible by 13,78 other than 1 and the number itself so it is a composite number.

Take 5 as common in the second part,

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

5*1009

As two factors of the numbers are 5,1009 and as the number is divisible by 5,1009 other than 1 and number itself so it is a composite number.

We can prove it by using the definition of composite numbers definition.

Please mark me brainliest this is one of the best explanations. Please don't delete.

Answer 2

Answer:

Pls mark me as brainiest i need it .

are all natural numbers that are not prime numbers since they can be divided by more than two numbers. 6 is composite for , since it is divisible by 1, 2, 3 and even 6. hope it helps you