Twin primes are defined as prime numbers that can be expressed as p and (p + 2), and any number p that is a member of such a pair is considered to have a twin. For example, 3 and 5 are twin primes, and 3 has a twin. Each of the following prime numbers has a twin EXCEPT Choose one
A) 7  B) 13  C) 17  D) 23  E) 29
A. 7 --&gt; 5 is a twin prime of 7;   B. 13 --&gt; 11 is a twin prime of 13;   C. 17 --&gt; 19 is a twin prime of 17;   D. 23 --&gt; neither  23-2= 
<gadget id="calculator"> 23-2</gadget>
<output>21</output>
21 nor   23+2= 
<gadget id="calculator">  23+2</gadget>
<output>25</output>
25 is a prime, hence 23 has no twin prime;   E. 29 --&gt; 31 is a twin prime of 29.   Answer: 23.
<result>D</result>
Twin primes are defined as prime numbers that can be expressed as p and (p + 2), and any number p that is a member of such a pair is considered to have a twin. For example, 3 and 5 are twin primes, and 3 has a twin. Each of the following prime numbers has a twin EXCEPT