You can check each individual number, whether it is a prime number. For numbers below 100, it is enough to check whether they are divisible by 2, by 3, by 5, and by 7. If a number is divisible by none of these, it is a Prime number.
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The prime numbers between 55 and 70 are: 59, 61 and 67
There are two prime numbers between 60 and 70.
61 and 67 are the two prime numbers between 60 and 70.
Two prime numbers, 61 and 67, are the only prime numbers between 60 and 70.
The prime numbers between 50 and 70 are: 53 59 61 67 Therefore, there are four prime numbers between 50 and 70.
The three prime numbers between 70 and 80 are: 71, 73, 79
The prime numbers between 70 and 80 are 71, 73 and 79They are: 71, 73 and 79
The prime numbers between 70 and 80 are 71, 73, and 79.
The prime numbers between 70 and 80 are 71, 73, and 79.
They are 71 and 73 which are both prime numbers
The prime numbers in the range 51 - 70 are 53, 59, 61 and 67.