Calculate the Greatest Common Factor or GCF of 18000
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The instructions to find the GCF of 18000 are the next:
1. Decompose all numbers into prime factors
| 18000 | 2 |
| 9000 | 2 |
| 4500 | 2 |
| 2250 | 2 |
| 1125 | 3 |
| 375 | 3 |
| 125 | 5 |
| 25 | 5 |
| 5 | 5 |
| 1 |
2. Write all numbers as the product of its prime factors
| Prime factors of 18000 | = | 24 . 32 . 53 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 3 , 5
Common prime factors with the lowest exponent: 24, 32, 53
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. 32. 53 = 18000
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