Calculate the Greatest Common Factor or GCF of 697
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The instructions to find the GCF of 697 are the next:
1. Decompose all numbers into prime factors
697 | 17 |
41 | 41 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 697 | = | 17 . 41 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 17 , 41
Common prime factors with the lowest exponent: 171, 411
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 = 171. 411 = 697
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