17 cause it is the next prime number
17
They are: 11, 13, 17 and 19
11 and 13 13 and 17 17 and 19
11, 13, 15, 17, and 19 does.
17
17 cause it is the next prime number
The are 11, 17 and 24.
2 3 5 7 11 13 17 19 23 29 31 They are prime numbers.
15? ================= I'm guessing this is a list of the prime numbers? So the next number would be 17.
17
11, 13, 17, 19, 23, 29 . . .
They are: 11, 13, 17 and 19
11 and 13 13 and 17 17 and 19
11, 13, 15, 17, and 19 does.
11 13 17 19.
The average is (11+11+13+17)/4 = 52/4 = 13