Calculate the Greatest Common Factor or GCF of 476
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The instructions to find the GCF of 476 are the next:
1. Decompose all numbers into prime factors
| 476 | 2 |
| 238 | 2 |
| 119 | 7 |
| 17 | 17 |
| 1 |
2. Write all numbers as the product of its prime factors
| Prime factors of 476 | = | 22 . 7 . 17 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 7 , 17
Common prime factors with the lowest exponent: 22, 71, 171
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 = 22. 71. 171 = 476
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