It is 70
66
Between 60 and 70 the composite numbers are: 62, 63, 64, 65, 66, 68, 69. 60 and 70 are also composite.
66>> 6+6=12
70
It is 70
66
Between 60 and 70 the composite numbers are: 62, 63, 64, 65, 66, 68, 69. 60 and 70 are also composite.
66>> 6+6=12
They are: 61+67 = 128 or if you mean 29+37 = 66
70
51
60, 62, 63, 64, 65, 66, 68, 69, 70
All of them except for 61 and 67 which are prime numbers
The whole number between the square roots of 60 and 70 is 8. 8² = 64.
61 and 67 are the only prime numbers between 60 and 70.
The only square number of an integer between 60 and 70 is 64, which is 8 squared.