Calculate the Greatest Common Factor or GCF of 2905
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The instructions to find the GCF of 2905 are the next:
1. Decompose all numbers into prime factors
2905 | 5 |
581 | 7 |
83 | 83 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 2905 | = | 5 . 7 . 83 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 5 , 7 , 83
Common prime factors with the lowest exponent: 51, 71, 831
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 = 51. 71. 831 = 2905
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