Respuesta :
false, 2 is a prime number and 2+1 is 3
That is the only counter example.
This is only true for primes greater than 2
That is the only counter example.
This is only true for primes greater than 2
Answer:
Always, except if x=2
Step-by-step explanation:
Always, except if x=2, because 2+1=3; and 3 is also a prime number.