Calculate the Greatest Common Factor or GCF of 711
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The instructions to find the GCF of 711 are the next:
1. Decompose all numbers into prime factors
711 | 3 |
237 | 3 |
79 | 79 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 711 | = | 32 . 79 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 3 , 79
Common prime factors with the lowest exponent: 32, 791
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 = 32. 791 = 711
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