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The number 1 is neither prime nor composite. The numbers 25, 16, 21, and 27 are divisible by factors that are not one or the number itself. 19 is the only one that has only 1 and itself as factors, so it is a Prime number.

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โˆ™ 2014-02-14 20:23:49
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Factoring and Multiples

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What is the prime factorization of 24

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Q: Is 1 25 16 21 27 19 a prime number?
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Related questions

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