Calculate the Greatest Common Factor or GCF of 854
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The instructions to find the GCF of 854 are the next:
1. Decompose all numbers into prime factors
854 | 2 |
427 | 7 |
61 | 61 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 854 | = | 2 . 7 . 61 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 7 , 61
Common prime factors with the lowest exponent: 21, 71, 611
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. 71. 611 = 854
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