Just 23 and 29.
23 is the only prime number between 20 and 28.
23 is the only prime number between 20 and 29.
23
23
It could be 23
The prime numbers between 20 and 30 are 23 and 29.
The only prime n umber between 20 and 25 is 23.
23
23 and 29.
They are 23 and 29 which are both prime numbers
23, 29.
They are 23 and 29.