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Calculate the Greatest Common Factor or GCF of 1388

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The instructions to find the GCF of 1388 are the next:

1. Decompose all numbers into prime factors

13882
6942
347347
1

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

Prime factors of 1388=22 . 347

3. Choose the common prime factors with the lowest exponent

Common prime factors: 2 , 347

Common prime factors with the lowest exponent: 22, 3471

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. 3471 = 1388


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