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Greatest prime factor of 72

Updated: 10/17/2022
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7y ago

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72 = 2 x 2 x 2 x 3 x 3

Of those prime factors, 3 is the greatest

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7y ago
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Q: Greatest prime factor of 72
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Is 9 the greatest prime factor of 72?

9 is not prime, so it is not a prime factor of 72, great or otherwise.


Why are 25 and 72 relativey prime?

The greatest common factor of 25 and 72 is 1, so they are relatively prime.


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What is the greatest common factor of 27 and 72?

The greatest common factor (GCF) of 27 and 72 is 9. The common factors of 27 and 72 are 1, 3, and 9. Methods: One way to determine the common factors and greatest common factor is to find all the factors of the numbers and compare them. The factors of 27 are 1, 3, 9, and 27. The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72. The common factors are 1, 3, and 9. Therefore, the greatest common factor is 9. The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together. The prime factors of 27 are 3, 3, and 3. The prime factors of 72 are 2, 2, 2, 3, and 3. The prime factors in common are 3 and 3, so the greatest common factor is 3 x 3 = 9.


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