It is 1.
43 and 17.
The prime numbers between 31 and 50 are 37,41,43,47.
prime numbers between 50 and 80 = 53,59,61,67 ,71,73,79
prime numbers between 50 and 60: 53 & 59
There are 7 prime numbers between 20 and 50: 23 29 31 37 41 43 47.
The prime numbers between 20 and 50 are: 23 29 31 37 41 43 47
It is 1.
43 and 17.
The prime numbers between 31 and 50 are 37,41,43,47.
The prime numbers between 40 and 50 are: 41 43 47.
prime numbers between 50 and 80 = 53,59,61,67 ,71,73,79
prime numbers between 50 and 60: 53 & 59
The prime numbers between 30 and 50 are 31,43,39,41, and 47
15 prime numbers are between 0 and 50
38
41,43, and 47 are all prime numbers. so there are three prime numbers between 40 and 50