All of them except for 83 and 89 which are prime numbers
60 and 80 :D
80, 81, 82, 84, 85, 86, 87, 88, 90
70 and 90
The prime numbers between 80 and 90 are 83 and 89.
63, 64
81, 82, 84, 85, 86, 87, 88. 80 and 90 are composite too
80, 81, 82, 84, 85, 86, 87, 88, 90
60 and 80 :D
81, 82, 84, 85, 86, 87, 88
The composite numbers are: 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86 ,87, 88
80, 81, 82, 84, 85, 86, 87, 88, 90
70 and 90
160
Yes, the numbers from 90 to 96 are composite numbers.
Composite numbers between 89 and 97 are 90, 92, 93, 94, 95, 96.
The prime numbers between 80 and 90 are 83 and 89.
63, 64