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Calculate the Greatest Common Factor or GCF of 791

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The instructions to find the GCF of 791 are the next:

1. Decompose all numbers into prime factors

7917
113113
1

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

Prime factors of 791=7 . 113

3. Choose the common prime factors with the lowest exponent

Common prime factors: 7 , 113

Common prime factors with the lowest exponent: 71, 1131

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 = 71. 1131 = 791


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