Question

The smallest value of n for which 2n+1 is not a prime is

Answer 1

Answer:

heya mate there's your answer

the smallest value of n for which 2n+1 is not a prime is 0

2(0)+1=1

1 is neither prime nor composite

hope it helps you

Thank you

Answer 2

Answer:

I think it should be

4 as 2*4+1=9 which is not prime.

Step-by-step explanation:

n=1, 2n+1 = 3

n=2, 2n+1 = 5

n=3, 2n+1 = 7

n=4, 2n+1 = 9 which is not prime.

n=5, 2n+1 = 11