311
68
13 + 17 = 30
23+29 = 52
The sum of the prime numbers is: 31+37+41+43+47+53+59 = 311
26
17 + 19 + 23 + 29 = 88
311
26
It is: 11+13+17+19+23+29 = 112
The sum of all prime numbers less than 30 is 129.
Oh, isn't that a happy little question! Let's see, the prime numbers between 30 and 40 are 31, 37. So, if we add them together, we get 68. Just remember, there are no mistakes, only happy accidents in math and painting!