Calculate the Greatest Common Factor or GCF of 511
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The instructions to find the GCF of 511 are the next:
1. Decompose all numbers into prime factors
511 | 7 |
73 | 73 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 511 | = | 7 . 73 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 7 , 73
Common prime factors with the lowest exponent: 71, 731
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 = 71. 731 = 511
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