Calculate the Greatest Common Factor or GCF of 477
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The instructions to find the GCF of 477 are the next:
1. Decompose all numbers into prime factors
| 477 | 3 |
| 159 | 3 |
| 53 | 53 |
| 1 |
2. Write all numbers as the product of its prime factors
| Prime factors of 477 | = | 32 . 53 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 3 , 53
Common prime factors with the lowest exponent: 32, 531
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. 531 = 477
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