Calculate the Greatest Common Factor or GCF of 51138
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The instructions to find the GCF of 51138 are the next:
1. Decompose all numbers into prime factors
51138 | 2 |
25569 | 3 |
8523 | 3 |
2841 | 3 |
947 | 947 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 51138 | = | 2 . 33 . 947 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 3 , 947
Common prime factors with the lowest exponent: 21, 33, 9471
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. 33. 9471 = 51138
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