Calculate the Greatest Common Factor or GCF of 792
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The instructions to find the GCF of 792 are the next:
1. Decompose all numbers into prime factors
792 | 2 |
396 | 2 |
198 | 2 |
99 | 3 |
33 | 3 |
11 | 11 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 792 | = | 23 . 32 . 11 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 3 , 11
Common prime factors with the lowest exponent: 23, 32, 111
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. 32. 111 = 792
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