23
47 is the largest prime number between 20 and 50.
38
19 x 41 = 779
21 is not a prime factor, it is 3 x 7
There are 7 prime numbers between 20 and 50: 23 29 31 37 41 43 47.
The Prime Numbers between 50 and 60 are: 53 and 59.
The only prime number between 50 and 59 is 53.
43 and 17.
A number between 50 and 200 is 125 Its prime factors are: 5, 5 and 5 or 53 = 125
The numbers 53, 59, 61 and 67 are prime.
53
38