Calculate the Greatest Common Factor or GCF of 1173
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The instructions to find the GCF of 1173 are the next:
1. Decompose all numbers into prime factors
1173 | 3 |
391 | 17 |
23 | 23 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 1173 | = | 3 . 17 . 23 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 3 , 17 , 23
Common prime factors with the lowest exponent: 31, 171, 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 = 31. 171. 231 = 1173
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