Q: What is the greatest composite number less than 10?

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It is 69.

2 is the smallest prime number. 9 is the greatest composite number less than 10. The sum of 2 and 9 is 11.

The greatest composite number that is less than 100 is 99. Its factors are 1, 3, 9, 11, 33, and 99. It can't be prime because it has factors other than 1 and itself.

4 is a composite number (2 x 2), and it is less than 5.

47 is the greatest prime number less than 48.

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It is 69.

2 is the smallest prime number. 9 is the greatest composite number less than 10. The sum of 2 and 9 is 11.

It is: 2+9 = 11

The greatest composite number that is less than 100 is 99. Its factors are 1, 3, 9, 11, 33, and 99. It can't be prime because it has factors other than 1 and itself.

4 is a composite number (2 x 2), and it is less than 5.

What is the greatest palindromic number less than 999?

It is 99 which is a composite number because it has more than two factors

A single number can't have a GCF. Any consecutive integers have a GCF of 1.

If that's less than 100, the answer is 99.