No - none of them are !
23, 29, 31, 37, 41, 43, 47... 23, 29, 31, 37, 41, 43, 47...
23 29 31 37 41 43 47.
37, 41, 43, 47
23, 29, 31, 37, 41, 43, 47 and 53.
29 31 37 41 43 47.
37, 41, 43, 47
The prime numbers between 23 and 49 are: 23, 29, 31, 37, 41, 43, 47
The prime numbers between 20 and 40 are: 23, 29, 31, 37, 41, 43 and 47. 23+29+31+37+41+43+47 = 251
23 29 31 37 41 43 47.
23 29 31 37 41 43 47
They are: 23 29 31 37 41 43 and 47
They are: 37, 41, 43, 47 and 53