The numbers 2, 3, 5, 7, 11, 13, 17 and 19 are prime.
There are 9 prime numbers between 0 and 20: 1,2,3,5,7,11,13,17,19.
2,3,5,7,11,13,17,19
Eight of them.
15 prime numbers are between 0 and 50
The prime numbers 0-20 are 2, 3, 5, 7, 11, 13, 17, and 19.
There are 9 prime numbers between 0 and 20: 1,2,3,5,7,11,13,17,19.
The prime numbers between 0 and 20 are: 2, 3, 5, 7, 11, 13, 17 and 19
2,3,5,7,11,13,17,19
Eight of them.
Remember 1 is not a prime number because it is only divisible by itself. 2, 3, 5, 7, 11, 13, 17, 19 These are the prime numbers between 0 and 20. In short, there are 9 prime numbers between 0 and 20.
For a number to have [only] 2 factors, it must be a prime number; the prime numbers between 0 and 20 are; 2, 3, 5, 7, 11, 13, 17, 19
20
15 prime numbers are between 0 and 50
The prime numbers 0-20 are 2, 3, 5, 7, 11, 13, 17, and 19.
100
2, 3, 5, 7, 11, 13, 17, 19
The prime numbers between 0 and 10 are:2, 3, 5, 7.