6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25
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Of those, 5 is not composite.
The number 25 is a composite number. The factors of 25 other than 1 and itself are prime numbers (5 X 5).
The composite numbers between 1000 and 1005 are numbers that have factors other than 1 and themselves. In this range, the numbers 1001, 1002, 1003, and 1004 are composite numbers. 1000 is not a composite number because it is divisible by 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, and 1000.
5 prime, 25 composite.
1, 2, 5, 10, 25, 50