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A prime number is a number that has only two factors, 1 and the number itself.
For example: 2, 3, and 5.
A composite number is a number that has more than two factors (including 1 and itself).
For example: 4, 6, and 10.
The number 1 is neither a prime number nor a composite number.
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The correct answer is
The smallest number is the one that comes first while counting.
To arrange the given numbers in order from smallest to greatest, find the smallest number among all the given numbers.
21,27,23
21 is the smallest number.
