61, 67
They are: 61+67 = 128 or if you mean 29+37 = 66
There are 19 primes.
The only twin primes between 70 and 100 are 71 and 73.
128
60, 62, 63, 64, 65, 66, 68, 69, 70
61 and 67 are the two prime numbers between 60 and 70.
There are two prime numbers between 60 and 70.
61 and 67 are the only prime numbers between 60 and 70.
They are 60 and 66.
The only square number of an integer between 60 and 70 is 64, which is 8 squared.
All of them except for 61 and 67 which are prime numbers
53 and 59 are in between 60 and 50. 61 and 67 are in between 60 and 70.