Respuesta :

laurellee27

Answer:

Step-by-step explanation:

Dis-Proof By Counter Example - Finding a case where this isn't true

Let P = 5

Let Q = 4

5 + 4 = 9

9 isn't prime because it's divisible by 3.

Step-by-step explanation:

because if p is 21 a odd number and q 0 an even number then the answer i not a prime number as 21+0=21 and 21 can be divide by 3