Four. The prime numbers between 10 and 21 are 11, 13, 17, and 19.
The prime numbers between 10 and 21 are 11, 13, 17, and 19.
If you include '101', there are 21 of them.
21 has two prime factors.
There are 21 two-digit prime numbers.
Four. The prime numbers between 10 and 21 are 11, 13, 17, and 19.
There are 21 prime numbers between 100-200.
The prime numbers between 10 and 21 are 11, 13, 17, and 19.
there are 50 prime numbers between 1-100 and of them 2,3,5,7 are single digit so that would leave 46 double digit prime numbers between 1-100
If you include '101', there are 21 of them.
21 has two prime factors.
there are 12 prime numbers between 21 and 72 23, 29, 31, 37, 41, 43, 47, 49, 53, 59, 61, 67
The numbers 23, 29, 31 and 37 are prime.
The prime numbers between 2 and 21 are: 2, 3, 5, 7, 11, 13, 17 and 19
There are 3 prime numbers from 21 to 35:23, 29 and 31
there are 3 prime numbers in between 21 and 33... they are 23,29, 31.
There are 21 two-digit prime numbers.