Calculate the Greatest Common Factor or GCF of 474
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The instructions to find the GCF of 474 are the next:
1. Decompose all numbers into prime factors
474 | 2 |
237 | 3 |
79 | 79 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 474 | = | 2 . 3 . 79 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 3 , 79
Common prime factors with the lowest exponent: 21, 31, 791
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. 31. 791 = 474
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