Calculate the Greatest Common Factor or GCF of 72144
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The instructions to find the GCF of 72144 are the next:
1. Decompose all numbers into prime factors
72144 | 2 |
36072 | 2 |
18036 | 2 |
9018 | 2 |
4509 | 3 |
1503 | 3 |
501 | 3 |
167 | 167 |
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2. Write all numbers as the product of its prime factors
Prime factors of 72144 | = | 24 . 33 . 167 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 3 , 167
Common prime factors with the lowest exponent: 24, 33, 1671
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 = 24. 33. 1671 = 72144
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