To determine the exponent of the prime factor 3 in the prime factorization of 54, we first need to find the prime factors of 54.
54 can be factored as follows:
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Divide by 2 (the smallest prime number): \[ 54 \div 2 = 27 \]
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Next, we factor 27. Since it is an odd number, we will use the next smallest prime, which is 3: \[ 27 \div 3 = 9 \]
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We factor 9 next: \[ 9 \div 3 = 3 \]
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Finally, we factor 3: \[ 3 \div 3 = 1 \]
Now, we can write the prime factorization of 54: \[ 54 = 2^1 \times 3^3 \]
In this factorization, the exponent of the prime factor 3 is 3.
Thus, the exponent of the prime factor 3 when expressing the prime factorization of 54 is 3.