If w, x, y, and z are four different prime numbers, which of the following is the smallest possible value of w + x + y + z?  Choose the correct choice from the following
A) 15	B) 17	C) 19	D) 21	E) 23
The sum of the four small smallest primes numbers is 2+3+5+7= 
<gadget id="calculator">2+3+5+7</gadget>
<output>17</output>
17.   The answer is 17.
<result>B</result>
If w, x, y, and z are four different prime numbers, which of the following is the smallest possible value of w + x + y + z?