Calculate the Greatest Common Factor or GCF of 1100
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The instructions to find the GCF of 1100 are the next:
1. Decompose all numbers into prime factors
| 1100 | 2 |
| 550 | 2 |
| 275 | 5 |
| 55 | 5 |
| 11 | 11 |
| 1 |
2. Write all numbers as the product of its prime factors
| Prime factors of 1100 | = | 22 . 52 . 11 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 5 , 11
Common prime factors with the lowest exponent: 22, 52, 111
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. 52. 111 = 1100
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