39
27
there are 3 prime numbers in between 21 and 33... they are 23,29, 31.
23, 29, and 31
23 29 31.
29
23, 29, 31, 37
They are: 23 29 31 and 37
They are: 23 29 31 and 37
There are two; 29 and 31.
17, 23 and 31 are prime. 39 is not.
17, 23 and 31 are prime. 39 is not.
17, 19, 23, 29, and 31
23, 29 and 31
17, 19, 23, 29, and 31
51 = 3 x 17
7 11 13 17 19 23 29.