Calculate the Greatest Common Factor or GCF of 3139
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The instructions to find the GCF of 3139 are the next:
1. Decompose all numbers into prime factors
3139 | 43 |
73 | 73 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 3139 | = | 43 . 73 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 43 , 73
Common prime factors with the lowest exponent: 431, 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 = 431. 731 = 3139
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