There are 2 primes between 21 and 29 inclusive: 23 & 29.
Just count them; there are not that many.
There are 83 composite numbers.
All of them except for 29 and 31 which are prime numbers
29 31 37.
The composite numbers between 11 and 29 are 12,14,15,16,18,20,21,22,24,25,26,27 & 28.
There are 2 primes between 21 and 29 inclusive: 23 & 29.
There are 16 such numbers.
29 is a Prime number. There are no prime numbers between 29 and
Just count them; there are not that many.
29 of them.
29 & 31
There are 83 composite numbers.
There are 29 numbers between 1 and 150 that are divisible by five.
The numbers 23 and 29 are the only prime numbers between 20 and 30
The three prime numbers between 20 and 35 are 23, 29, and 31.
All of them except for 29 and 31 which are prime numbers