Calculate the Greatest Common Factor or GCF of 272
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The instructions to find the GCF of 272 are the next:
1. Decompose all numbers into prime factors
272 | 2 |
136 | 2 |
68 | 2 |
34 | 2 |
17 | 17 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 272 | = | 24 . 17 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 17
Common prime factors with the lowest exponent: 24, 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. 171 = 272
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