The composite numbers between 20 and 30 are 21, 22, 24, 25, 26, 27, and 28.
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The composite numbers between 20 and 30 are: 20 21 22 24 25 26 27 28 30
The composite numbers between 20 and 30 are: 20 21 22 24 25 26 27 28 30
All of them except 23 and 29 which are prime numbers
173, excluding the two end-points.
All of them except 23 and 29 which are prime numbers