Calculate the Greatest Common Factor or GCF of 824
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The instructions to find the GCF of 824 are the next:
1. Decompose all numbers into prime factors
824 | 2 |
412 | 2 |
206 | 2 |
103 | 103 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 824 | = | 23 . 103 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 103
Common prime factors with the lowest exponent: 23, 1031
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 = 23. 1031 = 824
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