23 and 29
0.5*(64-24) = 20 diagonals
23 is the only prime number between 20 and 28.
23 is the only prime number between 20 and 29.
The prime numbers between 20 and 30 are 23 and 29.
47 is the largest prime number between 20 and 50.
The only prime n umber between 20 and 25 is 23.
The prime numbers between 20 and 30 are 23 and 29.
The prime numbers between 10 and 20 are 11, 13, 17, and 19.
There are 4 prime numbers between 10 and 20: 11 13 17 19
19 is prime.
The three prime numbers between 20 and 35 are 23, 29, and 31.
The numbers 23 and 29 are the only prime numbers between 20 and 30