Calculate the Greatest Common Factor or GCF of 1944
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The instructions to find the GCF of 1944 are the next:
1. Decompose all numbers into prime factors
| 1944 | 2 |
| 972 | 2 |
| 486 | 2 |
| 243 | 3 |
| 81 | 3 |
| 27 | 3 |
| 9 | 3 |
| 3 | 3 |
| 1 |
2. Write all numbers as the product of its prime factors
| Prime factors of 1944 | = | 23 . 35 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 3
Common prime factors with the lowest exponent: 23, 35
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 = 23. 35 = 1944
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