Composite numbers greater than 20 and less than 30 are 21, 22, 24, 25, 26, 27, 28.
This question is impossible to answer because there are six composite numbers in that range, not five!
All of them except 31 and 37 which are prime numbers
All of the composite numbers less than 100 have factor pairs.
49, 50, 51, 52, 54 and 55 are the composite numbers between 48 and 56.
40,38,36,35,32,28,27,25,24,21,20,18,16,15,14,12,10,9,8,6,4
Composite numbers greater than 20 and less than 30 are 21, 22, 24, 25, 26, 27, 28.
This question is impossible to answer because there are six composite numbers in that range, not five!
9 and 15
All of them except 31 and 37 which are prime numbers
All of the composite numbers less than 100 have factor pairs.
The odd composite numbers lower than 30 are:9 15 21 25 27
Literally every single even number less than 1000 is a composite number other than 2 which is prime.
49, 50, 51, 52, 54 and 55 are the composite numbers between 48 and 56.
What is the sum of the composite numbers less than 10?4 + 6 + 8 + 9 = 27
99 is one of them and all other numbers less than 100 that have more than two factors in them.
For this type of question, you should search the Internet for a list of prime numbers. All the integers that are not prime numbers are composite. In this case, the relevant prime numbers are 101 and 103.