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The prime factorization of 20 is 2^2 * 5, and the prime factorization of 27 is 3^3. To find the GCF (Greatest Common Factor), we need to find the highest common factor that both numbers share, which is the highest power of each common prime factor. The common prime factor is only 1 (as 2 and 5 are nRead more

The prime factorization of 20 is 2^2 * 5, and the prime factorization of 27 is 3^3.

To find the GCF (Greatest Common Factor), we need to find the highest common factor that both numbers share, which is the highest power of each common prime factor.

The common prime factor is only 1 (as 2 and 5 are not factors of 27 and 3 is not a factor of 20).

Therefore, the GCF of 20 and 27 is 1.

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