Calculate the Greatest Common Factor or GCF of 691
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The instructions to find the GCF of 691 are the next:
1. Decompose all numbers into prime factors
691 | 691 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 691 | = | 691 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 691
Common prime factors with the lowest exponent: 6911
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 = 6911 = 691
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