$\"\"$

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The polynomial expression is $\"\"$ .

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To find the GCF in above binomial expression $\"\"$ .

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Factors of $\"\"$ : 2, 4, t, t².

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Factors of 27: 3, 9, 27.

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There is no common factors.

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Thus, $\"\"$ is a prime polynomial. $\"\"$

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The polynomial is a prime.