Calculate the Greatest Common Factor or GCF of 1591
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The instructions to find the GCF of 1591 are the next:
1. Decompose all numbers into prime factors
1591 | 37 |
43 | 43 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 1591 | = | 37 . 43 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 37 , 43
Common prime factors with the lowest exponent: 371, 431
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 = 371. 431 = 1591
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