77 and 79 are two..
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The three prime numbers between 70 and 80 are: 71, 73, 79
The prime numbers between 70 and 80 are 71, 73, and 79.
There are no prime numbers between 70 and 80 because all the numbers in that range have factors other than 1 and themselves. For example, 72 can be divided evenly by 2, 3, 4, 6, 8, 9, 12, 18, 24, and 36, so it is not a prime number. Similarly, all the other numbers between 70 and 80 have multiple factors, making them composite numbers.
71 73 and 79
71,73,79