34, 58, 56, 60, ?
49
7
10
18
Next number will be.. 19.
6
20 is the next number greater than 19. The next prime number greater than 19 is 23.
The next prime after 19 is 23
35- 4= 31-4= 27-4= 23-4= 19-4= 15-4= 11-4= 7,3,-1....
59 is the next number in this series.
19
I think you have read the question wrong. Go back to source and you might see that you have to chose the correct answer from one of 19 , 36, 49, or 50. There should be another sequence of numbers leading up to 64. Hint, think squares