Calculate the Greatest Common Factor or GCF of 873
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The instructions to find the GCF of 873 are the next:
1. Decompose all numbers into prime factors
873 | 3 |
291 | 3 |
97 | 97 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 873 | = | 32 . 97 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 3 , 97
Common prime factors with the lowest exponent: 32, 971
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. 971 = 873
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