Question

What is a counterexample that shows the statement, the sum of two composite numbers must be a composite number, is false?

Answer 1

Answer:

its true

Step-by-step explanation:

Answer 2

A composite number is a number divisible by another number than 1 and the number itself.

• To find an example, a sum of two composite numbers, which is not a composite number, is needed.
• Certain composite figures are:

          $\to \bold{4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30...}$

• Let's review this list

        For example:

              $\bold{8+9 = 17} \\\\\bold{9 + 10=19}\\\\\bold{14+9=23}$

• And the composite numbers aren't $\bold{17, 19, 23}$.

So, the counter-example showing that the supplied statement is false.

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