Calculate the Greatest Common Factor or GCF of 184 and 345
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The instructions to find the GCF of 184 and 345 are the next:
1. Decompose all numbers into prime factors
| 184 | 2 |
| 92 | 2 |
| 46 | 2 |
| 23 | 23 |
| 1 |
| 345 | 3 |
| 115 | 5 |
| 23 | 23 |
| 1 |
2. Write all numbers as the product of its prime factors
| Prime factors of 184 | = | 23 . 23 |
| Prime factors of 345 | = | 3 . 5 . 23 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 23
Common prime factors with the lowest exponent: 231
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 = 231 = 23
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