Calculate the Greatest Common Factor or GCF of 568 and 1734
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The instructions to find the GCF of 568 and 1734 are the next:
1. Decompose all numbers into prime factors
568 | 2 |
284 | 2 |
142 | 2 |
71 | 71 |
1 |
1734 | 2 |
867 | 3 |
289 | 17 |
17 | 17 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 568 | = | 23 . 71 |
Prime factors of 1734 | = | 2 . 3 . 172 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2
Common prime factors with the lowest exponent: 21
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 = 21 = 2
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