Calculate the Greatest Common Factor or GCF of 634
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The instructions to find the GCF of 634 are the next:
1. Decompose all numbers into prime factors
634 | 2 |
317 | 317 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 634 | = | 2 . 317 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 317
Common prime factors with the lowest exponent: 21, 3171
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 = 21. 3171 = 634
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