Calculate the Greatest Common Factor or GCF of 51408
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The instructions to find the GCF of 51408 are the next:
1. Decompose all numbers into prime factors
| 51408 | 2 |
| 25704 | 2 |
| 12852 | 2 |
| 6426 | 2 |
| 3213 | 3 |
| 1071 | 3 |
| 357 | 3 |
| 119 | 7 |
| 17 | 17 |
| 1 |
2. Write all numbers as the product of its prime factors
| Prime factors of 51408 | = | 24 . 33 . 7 . 17 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 3 , 7 , 17
Common prime factors with the lowest exponent: 24, 33, 71, 171
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. 71. 171 = 51408
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