The sum of first five prime numbers is:
Choices.
A) 11
B) 18
C) 26
D) 28
E) 35
Explanation:   Required sum = (2 + 3 + 5 + 7 + 11)= 
<gadget id="calculator">(2 + 3 + 5 + 7 + 11)</gadget>
<output>28</output>
28.   Note: 1 is not a prime number.   Definition: A prime number (or a prime) is a natural number that has exactly two distinct natural number divisors: 1 and itself.   ANSWER IS 28
<result>D</result>
The sum of first five prime numbers is: