The greatest two-digit composite number would be 99, since 99 can be divided by 11, 9, and 3. I you look around this number, you will see why: 98 is also a composite number, but it is smaller than 99. 100 is also a composite number, but it has three digits. 97 has two digits, but it is a Prime number. On the other hand, 99 divided by 11= 9, 99 divided by 9= 11, and 99 divided by 3=33.
Chat with our AI personalities
The greatest composite number under 100 is 99. The greatest composite factor of 100 is 100.
It is 99 which is a composite number because it has more than two factors
10 is the greatest composite number in that range. 9, if you don't include 10.
9
That would be 4, and 2; greatest common factor is 2.