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Calculate the Greatest Common Factor or GCF of 206

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The instructions to find the GCF of 206 are the next:

1. Decompose all numbers into prime factors

2062
103103
1

2. Write all numbers as the product of its prime factors

Prime factors of 206=2 . 103

3. Choose the common prime factors with the lowest exponent

Common prime factors: 2 , 103

Common prime factors with the lowest exponent: 21, 1031

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 = 21. 1031 = 206


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