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Calculate the Greatest Common Factor or GCF of 517

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The instructions to find the GCF of 517 are the next:

1. Decompose all numbers into prime factors

51711
4747
1

2. Write all numbers as the product of its prime factors

Prime factors of 517=11 . 47

3. Choose the common prime factors with the lowest exponent

Common prime factors: 11 , 47

Common prime factors with the lowest exponent: 111, 471

4. Calculate the Greatest Common Factor or GCF

Remember, to find the GCF of several numbers you must multiply the common prime factors with the lowest exponent.

GCF = 111. 471 = 517


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