29 is prime, all the others in the list are composite.
12,14,15,16, and 18
9 and 15 only.
The composite numbers that are between 1 and 20 inclusive are: 4 6 8 9 10 12 14 15 16 18 20 This is a total of eleven composite numbers equal to 20 and below.
10 12 14 16 18 and 20
29 is prime, all the others in the list are composite.
Not all numbers between 20 and 28 are composite numbers. 23 is a prime number.
12,14,15,16, and 18
Oh, what a lovely question! Let's see, between 11 and 23, we have the composite numbers 12, 14, 15, 16, 18, 20, 21, and 22. Each of these numbers can be created by multiplying two or more smaller numbers together, like little puzzle pieces fitting perfectly. Just remember, every number is special and unique in its own way.
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The composite numbers up to 20 are 4,6,8,9,12,14,15,16,18 and 20.
10,12,14,15,16,18, and 20 dumbshit
The composite numbers between 20 and 30 are 21, 22, 24, 25, 26, 27, and 28.
All of them except for 23 and 29 which are prime numbers.
All of them except 23 and 29 which are prime numbers
4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20
4, 10, 20, 25, 50, 100 are the composite factors of 100.