All of them except for 83, 89 and 97 which are prime numbers
Chat with our AI personalities
Well, honey, a composite number is any ol' number greater than 1 that ain't prime, so let's see here... Ah, 85 fits the bill! It can be divided by 1, 5, 17, and itself. So, there you have it, a sassy little composite number between 80 and 100.
90.
80 and 100
97 is the largest prime number below 100.
The composite numbers between 70 and 80 are 72, 74, 75, 76, 77 and 78.