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19 is a Prime number. Its only factors are 1 and 19.

21 is a composite number. Its factors are 1, 3, 7, and 21.

23 is a prime number. Its only factors are 1 and 23.

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โˆ™ 2012-01-10 23:06:16
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Algebra

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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

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Q: Is 19 21 or 23 composite or prime?
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