Calculate the Greatest Common Factor or GCF of 52 and 1908
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The instructions to find the GCF of 52 and 1908 are the next:
1. Decompose all numbers into prime factors
| 52 | 2 |
| 26 | 2 |
| 13 | 13 |
| 1 |
| 1908 | 2 |
| 954 | 2 |
| 477 | 3 |
| 159 | 3 |
| 53 | 53 |
| 1 |
2. Write all numbers as the product of its prime factors
| Prime factors of 52 | = | 22 . 13 |
| Prime factors of 1908 | = | 22 . 32 . 53 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2
Common prime factors with the lowest exponent: 22
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 = 22 = 4
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